20183868

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 32931012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 79, 94, 141, 151, 158, 188, 237, 282, 302, 316, 423, 453, 474, 564, 604, 711, 846, 906, 948, 1359, 1422, 1692, 1812, 2718, 2844, 3713, 5436, 7097, 7426, 11139, 11929, 14194, 14852, 21291, 22278, 23858, 28388, 33417, 35787, 42582, 44556, 47716, 63873, 66834, 71574, 85164, 107361, 127746, 133668, 143148, 214722, 255492, 429444, 560663, 1121326, 1681989, 2242652, 3363978, 5045967, 6727956, 10091934, 20183868]

約数ペア:

[(1, 20183868), (2, 10091934), (3, 6727956), (4, 5045967), (6, 3363978), (9, 2242652), (12, 1681989), (18, 1121326), (36, 560663), (47, 429444), (79, 255492), (94, 214722), (141, 143148), (151, 133668), (158, 127746), (188, 107361), (237, 85164), (282, 71574), (302, 66834), (316, 63873), (423, 47716), (453, 44556), (474, 42582), (564, 35787), (604, 33417), (711, 28388), (846, 23858), (906, 22278), (948, 21291), (1359, 14852), (1422, 14194), (1692, 11929), (1812, 11139), (2718, 7426), (2844, 7097), (3713, 5436)]