19851309720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5012957}}^1$

素因数の和:5012985

約数の個数: 96

約数和(自身を含む): 70381930320

約数和(自身を除く): 50530620600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5012957, 10025914, 15038871, 20051828, 25064785, 30077742, 40103656, 45116613, 50129570, 55142527, 60155484, 75194355, 90233226, 100259140, 110285054, 120310968, 150388710, 165427581, 180466452, 200518280, 220570108, 225583065, 275712635, 300777420, 330855162, 360932904, 441140216, 451166130, 496282743, 551425270, 601554840, 661710324, 827137905, 902332260, 992565486, 1102850540, 1323420648, 1654275810, 1804664520, 1985130972, 2205701080, 2481413715, 3308551620, 3970261944, 4962827430, 6617103240, 9925654860, 19851309720]

約数ペア:

[(1, 19851309720), (2, 9925654860), (3, 6617103240), (4, 4962827430), (5, 3970261944), (6, 3308551620), (8, 2481413715), (9, 2205701080), (10, 1985130972), (11, 1804664520), (12, 1654275810), (15, 1323420648), (18, 1102850540), (20, 992565486), (22, 902332260), (24, 827137905), (30, 661710324), (33, 601554840), (36, 551425270), (40, 496282743), (44, 451166130), (45, 441140216), (55, 360932904), (60, 330855162), (66, 300777420), (72, 275712635), (88, 225583065), (90, 220570108), (99, 200518280), (110, 180466452), (120, 165427581), (132, 150388710), (165, 120310968), (180, 110285054), (198, 100259140), (220, 90233226), (264, 75194355), (330, 60155484), (360, 55142527), (396, 50129570), (440, 45116613), (495, 40103656), (660, 30077742), (792, 25064785), (990, 20051828), (1320, 15038871), (1980, 10025914), (3960, 5012957)]