19179900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 108

約数和(自身を含む): 61001304

約数和(自身を除く): 41821404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 101, 150, 180, 202, 211, 225, 300, 303, 404, 422, 450, 505, 606, 633, 844, 900, 909, 1010, 1055, 1212, 1266, 1515, 1818, 1899, 2020, 2110, 2525, 2532, 3030, 3165, 3636, 3798, 4220, 4545, 5050, 5275, 6060, 6330, 7575, 7596, 9090, 9495, 10100, 10550, 12660, 15150, 15825, 18180, 18990, 21100, 21311, 22725, 30300, 31650, 37980, 42622, 45450, 47475, 63300, 63933, 85244, 90900, 94950, 106555, 127866, 189900, 191799, 213110, 255732, 319665, 383598, 426220, 532775, 639330, 767196, 958995, 1065550, 1278660, 1598325, 1917990, 2131100, 3196650, 3835980, 4794975, 6393300, 9589950, 19179900]

約数ペア:

[(1, 19179900), (2, 9589950), (3, 6393300), (4, 4794975), (5, 3835980), (6, 3196650), (9, 2131100), (10, 1917990), (12, 1598325), (15, 1278660), (18, 1065550), (20, 958995), (25, 767196), (30, 639330), (36, 532775), (45, 426220), (50, 383598), (60, 319665), (75, 255732), (90, 213110), (100, 191799), (101, 189900), (150, 127866), (180, 106555), (202, 94950), (211, 90900), (225, 85244), (300, 63933), (303, 63300), (404, 47475), (422, 45450), (450, 42622), (505, 37980), (606, 31650), (633, 30300), (844, 22725), (900, 21311), (909, 21100), (1010, 18990), (1055, 18180), (1212, 15825), (1266, 15150), (1515, 12660), (1818, 10550), (1899, 10100), (2020, 9495), (2110, 9090), (2525, 7596), (2532, 7575), (3030, 6330), (3165, 6060), (3636, 5275), (3798, 5050), (4220, 4545)]