19216404

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 51088128

約数和(自身を除く): 31871724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 67, 93, 124, 134, 186, 201, 257, 268, 279, 372, 402, 514, 558, 603, 771, 804, 1028, 1116, 1206, 1542, 2077, 2313, 2412, 3084, 4154, 4626, 6231, 7967, 8308, 9252, 12462, 15934, 17219, 18693, 23901, 24924, 31868, 34438, 37386, 47802, 51657, 68876, 71703, 74772, 95604, 103314, 143406, 154971, 206628, 286812, 309942, 533789, 619884, 1067578, 1601367, 2135156, 3202734, 4804101, 6405468, 9608202, 19216404]

約数ペア:

[(1, 19216404), (2, 9608202), (3, 6405468), (4, 4804101), (6, 3202734), (9, 2135156), (12, 1601367), (18, 1067578), (31, 619884), (36, 533789), (62, 309942), (67, 286812), (93, 206628), (124, 154971), (134, 143406), (186, 103314), (201, 95604), (257, 74772), (268, 71703), (279, 68876), (372, 51657), (402, 47802), (514, 37386), (558, 34438), (603, 31868), (771, 24924), (804, 23901), (1028, 18693), (1116, 17219), (1206, 15934), (1542, 12462), (2077, 9252), (2313, 8308), (2412, 7967), (3084, 6231), (4154, 4626)]