19736460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 64576512

約数和(自身を除く): 44840052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 131, 135, 155, 162, 180, 186, 243, 262, 270, 279, 310, 324, 372, 393, 405, 465, 486, 524, 540, 558, 620, 655, 786, 810, 837, 930, 972, 1116, 1179, 1215, 1310, 1395, 1572, 1620, 1674, 1860, 1965, 2358, 2430, 2511, 2620, 2790, 3348, 3537, 3930, 4061, 4185, 4716, 4860, 5022, 5580, 5895, 7074, 7533, 7860, 8122, 8370, 10044, 10611, 11790, 12183, 12555, 14148, 15066, 16244, 16740, 17685, 20305, 21222, 23580, 24366, 25110, 30132, 31833, 35370, 36549, 37665, 40610, 42444, 48732, 50220, 53055, 60915, 63666, 70740, 73098, 75330, 81220, 106110, 109647, 121830, 127332, 146196, 150660, 159165, 182745, 212220, 219294, 243660, 318330, 328941, 365490, 438588, 548235, 636660, 657882, 730980, 986823, 1096470, 1315764, 1644705, 1973646, 2192940, 3289410, 3947292, 4934115, 6578820, 9868230, 19736460]

約数ペア:

[(1, 19736460), (2, 9868230), (3, 6578820), (4, 4934115), (5, 3947292), (6, 3289410), (9, 2192940), (10, 1973646), (12, 1644705), (15, 1315764), (18, 1096470), (20, 986823), (27, 730980), (30, 657882), (31, 636660), (36, 548235), (45, 438588), (54, 365490), (60, 328941), (62, 318330), (81, 243660), (90, 219294), (93, 212220), (108, 182745), (124, 159165), (131, 150660), (135, 146196), (155, 127332), (162, 121830), (180, 109647), (186, 106110), (243, 81220), (262, 75330), (270, 73098), (279, 70740), (310, 63666), (324, 60915), (372, 53055), (393, 50220), (405, 48732), (465, 42444), (486, 40610), (524, 37665), (540, 36549), (558, 35370), (620, 31833), (655, 30132), (786, 25110), (810, 24366), (837, 23580), (930, 21222), (972, 20305), (1116, 17685), (1179, 16740), (1215, 16244), (1310, 15066), (1395, 14148), (1572, 12555), (1620, 12183), (1674, 11790), (1860, 10611), (1965, 10044), (2358, 8370), (2430, 8122), (2511, 7860), (2620, 7533), (2790, 7074), (3348, 5895), (3537, 5580), (3930, 5022), (4061, 4860), (4185, 4716)]