18642650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 41247360

約数和(自身を除く): 22604710

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 29, 43, 46, 50, 58, 65, 86, 115, 130, 145, 215, 230, 290, 299, 325, 377, 430, 559, 575, 598, 650, 667, 725, 754, 989, 1075, 1118, 1150, 1247, 1334, 1450, 1495, 1885, 1978, 2150, 2494, 2795, 2990, 3335, 3770, 4945, 5590, 6235, 6670, 7475, 8671, 9425, 9890, 12470, 12857, 13975, 14950, 16211, 16675, 17342, 18850, 24725, 25714, 27950, 28681, 31175, 32422, 33350, 43355, 49450, 57362, 62350, 64285, 81055, 86710, 128570, 143405, 162110, 216775, 286810, 321425, 372853, 405275, 433550, 642850, 717025, 745706, 810550, 1434050, 1864265, 3728530, 9321325, 18642650]

約数ペア:

[(1, 18642650), (2, 9321325), (5, 3728530), (10, 1864265), (13, 1434050), (23, 810550), (25, 745706), (26, 717025), (29, 642850), (43, 433550), (46, 405275), (50, 372853), (58, 321425), (65, 286810), (86, 216775), (115, 162110), (130, 143405), (145, 128570), (215, 86710), (230, 81055), (290, 64285), (299, 62350), (325, 57362), (377, 49450), (430, 43355), (559, 33350), (575, 32422), (598, 31175), (650, 28681), (667, 27950), (725, 25714), (754, 24725), (989, 18850), (1075, 17342), (1118, 16675), (1150, 16211), (1247, 14950), (1334, 13975), (1450, 12857), (1495, 12470), (1885, 9890), (1978, 9425), (2150, 8671), (2494, 7475), (2795, 6670), (2990, 6235), (3335, 5590), (3770, 4945)]