18411250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 40936896

約数和(自身を除く): 22525646

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 103, 110, 125, 130, 143, 206, 250, 275, 286, 325, 515, 550, 625, 650, 715, 1030, 1133, 1250, 1339, 1375, 1430, 1625, 2266, 2575, 2678, 2750, 3250, 3575, 5150, 5665, 6695, 6875, 7150, 8125, 11330, 12875, 13390, 13750, 14729, 16250, 17875, 25750, 28325, 29458, 33475, 35750, 56650, 64375, 66950, 73645, 89375, 128750, 141625, 147290, 167375, 178750, 283250, 334750, 368225, 708125, 736450, 836875, 1416250, 1673750, 1841125, 3682250, 9205625, 18411250]

約数ペア:

[(1, 18411250), (2, 9205625), (5, 3682250), (10, 1841125), (11, 1673750), (13, 1416250), (22, 836875), (25, 736450), (26, 708125), (50, 368225), (55, 334750), (65, 283250), (103, 178750), (110, 167375), (125, 147290), (130, 141625), (143, 128750), (206, 89375), (250, 73645), (275, 66950), (286, 64375), (325, 56650), (515, 35750), (550, 33475), (625, 29458), (650, 28325), (715, 25750), (1030, 17875), (1133, 16250), (1250, 14729), (1339, 13750), (1375, 13390), (1430, 12875), (1625, 11330), (2266, 8125), (2575, 7150), (2678, 6875), (2750, 6695), (3250, 5665), (3575, 5150)]