17918804974

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{23671}}^1$

素因数の和:24208

約数の個数: 32

約数和(自身を含む): 31019788800

約数和(自身を除く): 13100983826

約数列:

[1, 2, 7, 14, 139, 278, 389, 778, 973, 1946, 2723, 5446, 23671, 47342, 54071, 108142, 165697, 331394, 378497, 756994, 3290269, 6580538, 9208019, 18416038, 23031883, 46063766, 64456133, 128912266, 1279914641, 2559829282, 8959402487, 17918804974]

約数ペア:

[(1, 17918804974), (2, 8959402487), (7, 2559829282), (14, 1279914641), (139, 128912266), (278, 64456133), (389, 46063766), (778, 23031883), (973, 18416038), (1946, 9208019), (2723, 6580538), (5446, 3290269), (23671, 756994), (47342, 378497), (54071, 331394), (108142, 165697)]