19795698

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 47940480

約数和(自身を除く): 28144782

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 163, 173, 234, 326, 346, 351, 489, 519, 702, 978, 1038, 1467, 1557, 2119, 2249, 2934, 3114, 4238, 4401, 4498, 4671, 6357, 6747, 8802, 9342, 12714, 13494, 19071, 20241, 28199, 38142, 40482, 56398, 57213, 60723, 84597, 114426, 121446, 169194, 253791, 366587, 507582, 733174, 761373, 1099761, 1522746, 2199522, 3299283, 6598566, 9897849, 19795698]

約数ペア:

[(1, 19795698), (2, 9897849), (3, 6598566), (6, 3299283), (9, 2199522), (13, 1522746), (18, 1099761), (26, 761373), (27, 733174), (39, 507582), (54, 366587), (78, 253791), (117, 169194), (163, 121446), (173, 114426), (234, 84597), (326, 60723), (346, 57213), (351, 56398), (489, 40482), (519, 38142), (702, 28199), (978, 20241), (1038, 19071), (1467, 13494), (1557, 12714), (2119, 9342), (2249, 8802), (2934, 6747), (3114, 6357), (4238, 4671), (4401, 4498)]