18491700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 54559008

約数和(自身を除く): 36067308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 100, 106, 150, 159, 212, 265, 300, 318, 530, 636, 795, 1060, 1163, 1325, 1590, 2326, 2650, 3180, 3489, 3975, 4652, 5300, 5815, 6978, 7950, 11630, 13956, 15900, 17445, 23260, 29075, 34890, 58150, 61639, 69780, 87225, 116300, 123278, 174450, 184917, 246556, 308195, 348900, 369834, 616390, 739668, 924585, 1232780, 1540975, 1849170, 3081950, 3698340, 4622925, 6163900, 9245850, 18491700]

約数ペア:

[(1, 18491700), (2, 9245850), (3, 6163900), (4, 4622925), (5, 3698340), (6, 3081950), (10, 1849170), (12, 1540975), (15, 1232780), (20, 924585), (25, 739668), (30, 616390), (50, 369834), (53, 348900), (60, 308195), (75, 246556), (100, 184917), (106, 174450), (150, 123278), (159, 116300), (212, 87225), (265, 69780), (300, 61639), (318, 58150), (530, 34890), (636, 29075), (795, 23260), (1060, 17445), (1163, 15900), (1325, 13956), (1590, 11630), (2326, 7950), (2650, 6978), (3180, 5815), (3489, 5300), (3975, 4652)]