19676020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 33949580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 569, 665, 910, 988, 1138, 1235, 1330, 1729, 1820, 2276, 2470, 2660, 2845, 3458, 3983, 4940, 5690, 6916, 7397, 7966, 8645, 10811, 11380, 14794, 15932, 17290, 19915, 21622, 29588, 34580, 36985, 39830, 43244, 51779, 54055, 73970, 75677, 79660, 103558, 108110, 140543, 147940, 151354, 207116, 216220, 258895, 281086, 302708, 378385, 517790, 562172, 702715, 756770, 983801, 1035580, 1405430, 1513540, 1967602, 2810860, 3935204, 4919005, 9838010, 19676020]

約数ペア:

[(1, 19676020), (2, 9838010), (4, 4919005), (5, 3935204), (7, 2810860), (10, 1967602), (13, 1513540), (14, 1405430), (19, 1035580), (20, 983801), (26, 756770), (28, 702715), (35, 562172), (38, 517790), (52, 378385), (65, 302708), (70, 281086), (76, 258895), (91, 216220), (95, 207116), (130, 151354), (133, 147940), (140, 140543), (182, 108110), (190, 103558), (247, 79660), (260, 75677), (266, 73970), (364, 54055), (380, 51779), (455, 43244), (494, 39830), (532, 36985), (569, 34580), (665, 29588), (910, 21622), (988, 19915), (1138, 17290), (1235, 15932), (1330, 14794), (1729, 11380), (1820, 10811), (2276, 8645), (2470, 7966), (2660, 7397), (2845, 6916), (3458, 5690), (3983, 4940)]