19820502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 46938528

約数和(自身を除く): 27118026

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1193, 1278, 1846, 2386, 2769, 3579, 5538, 7158, 8307, 10737, 15509, 16614, 21474, 31018, 46527, 84703, 93054, 139581, 169406, 254109, 279162, 508218, 762327, 1101139, 1524654, 2202278, 3303417, 6606834, 9910251, 19820502]

約数ペア:

[(1, 19820502), (2, 9910251), (3, 6606834), (6, 3303417), (9, 2202278), (13, 1524654), (18, 1101139), (26, 762327), (39, 508218), (71, 279162), (78, 254109), (117, 169406), (142, 139581), (213, 93054), (234, 84703), (426, 46527), (639, 31018), (923, 21474), (1193, 16614), (1278, 15509), (1846, 10737), (2386, 8307), (2769, 7158), (3579, 5538)]