19120686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24424914

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 79, 87, 107, 158, 174, 214, 237, 321, 377, 474, 642, 754, 1027, 1131, 1391, 2054, 2262, 2291, 2782, 3081, 3103, 4173, 4582, 6162, 6206, 6873, 8346, 8453, 9309, 13746, 16906, 18618, 25359, 29783, 40339, 50718, 59566, 80678, 89349, 109889, 121017, 178698, 219778, 242034, 245137, 329667, 490274, 659334, 735411, 1470822, 3186781, 6373562, 9560343, 19120686]

約数ペア:

[(1, 19120686), (2, 9560343), (3, 6373562), (6, 3186781), (13, 1470822), (26, 735411), (29, 659334), (39, 490274), (58, 329667), (78, 245137), (79, 242034), (87, 219778), (107, 178698), (158, 121017), (174, 109889), (214, 89349), (237, 80678), (321, 59566), (377, 50718), (474, 40339), (642, 29783), (754, 25359), (1027, 18618), (1131, 16906), (1391, 13746), (2054, 9309), (2262, 8453), (2291, 8346), (2782, 6873), (3081, 6206), (3103, 6162), (4173, 4582)]