17720964

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 48742400

約数和(自身を除く): 31021436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 67, 79, 93, 108, 124, 134, 158, 186, 201, 237, 268, 279, 316, 372, 402, 474, 558, 603, 711, 804, 837, 948, 1116, 1206, 1422, 1674, 1809, 2077, 2133, 2412, 2449, 2844, 3348, 3618, 4154, 4266, 4898, 5293, 6231, 7236, 7347, 8308, 8532, 9796, 10586, 12462, 14694, 15879, 18693, 21172, 22041, 24924, 29388, 31758, 37386, 44082, 47637, 56079, 63516, 66123, 74772, 88164, 95274, 112158, 132246, 142911, 164083, 190548, 224316, 264492, 285822, 328166, 492249, 571644, 656332, 984498, 1476747, 1968996, 2953494, 4430241, 5906988, 8860482, 17720964]

約数ペア:

[(1, 17720964), (2, 8860482), (3, 5906988), (4, 4430241), (6, 2953494), (9, 1968996), (12, 1476747), (18, 984498), (27, 656332), (31, 571644), (36, 492249), (54, 328166), (62, 285822), (67, 264492), (79, 224316), (93, 190548), (108, 164083), (124, 142911), (134, 132246), (158, 112158), (186, 95274), (201, 88164), (237, 74772), (268, 66123), (279, 63516), (316, 56079), (372, 47637), (402, 44082), (474, 37386), (558, 31758), (603, 29388), (711, 24924), (804, 22041), (837, 21172), (948, 18693), (1116, 15879), (1206, 14694), (1422, 12462), (1674, 10586), (1809, 9796), (2077, 8532), (2133, 8308), (2412, 7347), (2449, 7236), (2844, 6231), (3348, 5293), (3618, 4898), (4154, 4266)]