19428012

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1060

約数の個数: 60

約数和(自身を含む): 51673776

約数和(自身を除く): 32245764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 983, 1098, 1647, 1966, 2196, 2949, 3294, 3932, 4941, 5898, 6588, 8847, 9882, 11796, 17694, 19764, 26541, 35388, 53082, 59963, 79623, 106164, 119926, 159246, 179889, 239852, 318492, 359778, 539667, 719556, 1079334, 1619001, 2158668, 3238002, 4857003, 6476004, 9714006, 19428012]

約数ペア:

[(1, 19428012), (2, 9714006), (3, 6476004), (4, 4857003), (6, 3238002), (9, 2158668), (12, 1619001), (18, 1079334), (27, 719556), (36, 539667), (54, 359778), (61, 318492), (81, 239852), (108, 179889), (122, 159246), (162, 119926), (183, 106164), (244, 79623), (324, 59963), (366, 53082), (549, 35388), (732, 26541), (983, 19764), (1098, 17694), (1647, 11796), (1966, 9882), (2196, 8847), (2949, 6588), (3294, 5898), (3932, 4941)]