18311150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 72

約数和(自身を含む): 40437144

約数和(自身を除く): 22125994

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 169, 197, 275, 286, 325, 338, 394, 550, 650, 715, 845, 985, 1430, 1690, 1859, 1970, 2167, 2561, 3575, 3718, 4225, 4334, 4925, 5122, 7150, 8450, 9295, 9850, 10835, 12805, 18590, 21670, 25610, 28171, 33293, 46475, 54175, 56342, 64025, 66586, 92950, 108350, 128050, 140855, 166465, 281710, 332930, 366223, 704275, 732446, 832325, 1408550, 1664650, 1831115, 3662230, 9155575, 18311150]

約数ペア:

[(1, 18311150), (2, 9155575), (5, 3662230), (10, 1831115), (11, 1664650), (13, 1408550), (22, 832325), (25, 732446), (26, 704275), (50, 366223), (55, 332930), (65, 281710), (110, 166465), (130, 140855), (143, 128050), (169, 108350), (197, 92950), (275, 66586), (286, 64025), (325, 56342), (338, 54175), (394, 46475), (550, 33293), (650, 28171), (715, 25610), (845, 21670), (985, 18590), (1430, 12805), (1690, 10835), (1859, 9850), (1970, 9295), (2167, 8450), (2561, 7150), (3575, 5122), (3718, 4925), (4225, 4334)]