18943542

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2053

約数の個数: 48

約数和(自身を含む): 44883072

約数和(自身を除く): 25939530

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 51, 62, 93, 102, 153, 186, 279, 306, 527, 558, 1054, 1581, 1997, 3162, 3994, 4743, 5991, 9486, 11982, 17973, 33949, 35946, 61907, 67898, 101847, 123814, 185721, 203694, 305541, 371442, 557163, 611082, 1052419, 1114326, 2104838, 3157257, 6314514, 9471771, 18943542]

約数ペア:

[(1, 18943542), (2, 9471771), (3, 6314514), (6, 3157257), (9, 2104838), (17, 1114326), (18, 1052419), (31, 611082), (34, 557163), (51, 371442), (62, 305541), (93, 203694), (102, 185721), (153, 123814), (186, 101847), (279, 67898), (306, 61907), (527, 35946), (558, 33949), (1054, 17973), (1581, 11982), (1997, 9486), (3162, 5991), (3994, 4743)]