1818804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 4656960

約数和(自身を除く): 2838156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 131, 156, 178, 262, 267, 356, 393, 524, 534, 786, 1068, 1157, 1572, 1703, 2314, 3406, 3471, 4628, 5109, 6812, 6942, 10218, 11659, 13884, 20436, 23318, 34977, 46636, 69954, 139908, 151567, 303134, 454701, 606268, 909402, 1818804]

約数ペア:

[(1, 1818804), (2, 909402), (3, 606268), (4, 454701), (6, 303134), (12, 151567), (13, 139908), (26, 69954), (39, 46636), (52, 34977), (78, 23318), (89, 20436), (131, 13884), (156, 11659), (178, 10218), (262, 6942), (267, 6812), (356, 5109), (393, 4628), (524, 3471), (534, 3406), (786, 2314), (1068, 1703), (1157, 1572)]