18847140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 57783936

約数和(自身を除く): 38936796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 331, 365, 390, 438, 662, 730, 780, 876, 949, 993, 1095, 1324, 1460, 1655, 1898, 1986, 2190, 2847, 3310, 3796, 3972, 4303, 4380, 4745, 4965, 5694, 6620, 8606, 9490, 9930, 11388, 12909, 14235, 17212, 18980, 19860, 21515, 24163, 25818, 28470, 43030, 48326, 51636, 56940, 64545, 72489, 86060, 96652, 120815, 129090, 144978, 241630, 258180, 289956, 314119, 362445, 483260, 628238, 724890, 942357, 1256476, 1449780, 1570595, 1884714, 3141190, 3769428, 4711785, 6282380, 9423570, 18847140]

約数ペア:

[(1, 18847140), (2, 9423570), (3, 6282380), (4, 4711785), (5, 3769428), (6, 3141190), (10, 1884714), (12, 1570595), (13, 1449780), (15, 1256476), (20, 942357), (26, 724890), (30, 628238), (39, 483260), (52, 362445), (60, 314119), (65, 289956), (73, 258180), (78, 241630), (130, 144978), (146, 129090), (156, 120815), (195, 96652), (219, 86060), (260, 72489), (292, 64545), (331, 56940), (365, 51636), (390, 48326), (438, 43030), (662, 28470), (730, 25818), (780, 24163), (876, 21515), (949, 19860), (993, 18980), (1095, 17212), (1324, 14235), (1460, 12909), (1655, 11388), (1898, 9930), (1986, 9490), (2190, 8606), (2847, 6620), (3310, 5694), (3796, 4965), (3972, 4745), (4303, 4380)]