19836900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 180

約数和(自身を含む): 67217920

約数和(自身を除く): 47381020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 79, 81, 90, 93, 100, 108, 124, 135, 150, 155, 158, 162, 180, 186, 225, 237, 270, 279, 300, 310, 316, 324, 372, 395, 405, 450, 465, 474, 540, 558, 620, 675, 711, 775, 790, 810, 837, 900, 930, 948, 1116, 1185, 1350, 1395, 1422, 1550, 1580, 1620, 1674, 1860, 1975, 2025, 2133, 2325, 2370, 2449, 2511, 2700, 2790, 2844, 3100, 3348, 3555, 3950, 4050, 4185, 4266, 4650, 4740, 4898, 5022, 5580, 5925, 6399, 6975, 7110, 7347, 7900, 8100, 8370, 8532, 9300, 9796, 10044, 10665, 11850, 12245, 12555, 12798, 13950, 14220, 14694, 16740, 17775, 20925, 21330, 22041, 23700, 24490, 25110, 25596, 27900, 29388, 31995, 35550, 36735, 41850, 42660, 44082, 48980, 50220, 53325, 61225, 62775, 63990, 66123, 71100, 73470, 83700, 88164, 106650, 110205, 122450, 125550, 127980, 132246, 146940, 159975, 183675, 198369, 213300, 220410, 244900, 251100, 264492, 319950, 330615, 367350, 396738, 440820, 551025, 639900, 661230, 734700, 793476, 991845, 1102050, 1322460, 1653075, 1983690, 2204100, 3306150, 3967380, 4959225, 6612300, 9918450, 19836900]

約数ペア:

[(1, 19836900), (2, 9918450), (3, 6612300), (4, 4959225), (5, 3967380), (6, 3306150), (9, 2204100), (10, 1983690), (12, 1653075), (15, 1322460), (18, 1102050), (20, 991845), (25, 793476), (27, 734700), (30, 661230), (31, 639900), (36, 551025), (45, 440820), (50, 396738), (54, 367350), (60, 330615), (62, 319950), (75, 264492), (79, 251100), (81, 244900), (90, 220410), (93, 213300), (100, 198369), (108, 183675), (124, 159975), (135, 146940), (150, 132246), (155, 127980), (158, 125550), (162, 122450), (180, 110205), (186, 106650), (225, 88164), (237, 83700), (270, 73470), (279, 71100), (300, 66123), (310, 63990), (316, 62775), (324, 61225), (372, 53325), (395, 50220), (405, 48980), (450, 44082), (465, 42660), (474, 41850), (540, 36735), (558, 35550), (620, 31995), (675, 29388), (711, 27900), (775, 25596), (790, 25110), (810, 24490), (837, 23700), (900, 22041), (930, 21330), (948, 20925), (1116, 17775), (1185, 16740), (1350, 14694), (1395, 14220), (1422, 13950), (1550, 12798), (1580, 12555), (1620, 12245), (1674, 11850), (1860, 10665), (1975, 10044), (2025, 9796), (2133, 9300), (2325, 8532), (2370, 8370), (2449, 8100), (2511, 7900), (2700, 7347), (2790, 7110), (2844, 6975), (3100, 6399), (3348, 5925), (3555, 5580), (3950, 5022), (4050, 4898), (4185, 4740), (4266, 4650)]