18723702

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 42462720

約数和(自身を除く): 23739018

約数列:

[1, 2, 3, 6, 19, 23, 37, 38, 46, 57, 69, 74, 111, 114, 138, 193, 222, 386, 437, 579, 703, 851, 874, 1158, 1311, 1406, 1702, 2109, 2553, 2622, 3667, 4218, 4439, 5106, 7141, 7334, 8878, 11001, 13317, 14282, 16169, 21423, 22002, 26634, 32338, 42846, 48507, 84341, 97014, 135679, 164243, 168682, 253023, 271358, 328486, 407037, 492729, 506046, 814074, 985458, 3120617, 6241234, 9361851, 18723702]

約数ペア:

[(1, 18723702), (2, 9361851), (3, 6241234), (6, 3120617), (19, 985458), (23, 814074), (37, 506046), (38, 492729), (46, 407037), (57, 328486), (69, 271358), (74, 253023), (111, 168682), (114, 164243), (138, 135679), (193, 97014), (222, 84341), (386, 48507), (437, 42846), (579, 32338), (703, 26634), (851, 22002), (874, 21423), (1158, 16169), (1311, 14282), (1406, 13317), (1702, 11001), (2109, 8878), (2553, 7334), (2622, 7141), (3667, 5106), (4218, 4439)]