19617156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 53936064

約数和(自身を除く): 34318908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 167, 234, 251, 334, 468, 501, 502, 668, 753, 1002, 1004, 1503, 1506, 2004, 2171, 2259, 3006, 3012, 3263, 4342, 4518, 6012, 6513, 6526, 8684, 9036, 9789, 13026, 13052, 19539, 19578, 26052, 29367, 39078, 39156, 41917, 58734, 78156, 83834, 117468, 125751, 167668, 251502, 377253, 503004, 544921, 754506, 1089842, 1509012, 1634763, 2179684, 3269526, 4904289, 6539052, 9808578, 19617156]

約数ペア:

[(1, 19617156), (2, 9808578), (3, 6539052), (4, 4904289), (6, 3269526), (9, 2179684), (12, 1634763), (13, 1509012), (18, 1089842), (26, 754506), (36, 544921), (39, 503004), (52, 377253), (78, 251502), (117, 167668), (156, 125751), (167, 117468), (234, 83834), (251, 78156), (334, 58734), (468, 41917), (501, 39156), (502, 39078), (668, 29367), (753, 26052), (1002, 19578), (1004, 19539), (1503, 13052), (1506, 13026), (2004, 9789), (2171, 9036), (2259, 8684), (3006, 6526), (3012, 6513), (3263, 6012), (4342, 4518)]