18283860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{691}}^1$

素因数の和:723

約数の個数: 144

約数和(自身を含む): 66265920

約数和(自身を除く): 47982060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 691, 735, 756, 882, 945, 980, 1260, 1323, 1382, 1470, 1764, 1890, 2073, 2205, 2646, 2764, 2940, 3455, 3780, 4146, 4410, 4837, 5292, 6219, 6615, 6910, 8292, 8820, 9674, 10365, 12438, 13230, 13820, 14511, 18657, 19348, 20730, 24185, 24876, 26460, 29022, 31095, 33859, 37314, 41460, 43533, 48370, 58044, 62190, 67718, 72555, 74628, 87066, 93285, 96740, 101577, 124380, 130599, 135436, 145110, 169295, 174132, 186570, 203154, 217665, 261198, 290220, 304731, 338590, 373140, 406308, 435330, 507885, 522396, 609462, 652995, 677180, 870660, 914193, 1015770, 1218924, 1305990, 1523655, 1828386, 2031540, 2611980, 3047310, 3656772, 4570965, 6094620, 9141930, 18283860]

約数ペア:

[(1, 18283860), (2, 9141930), (3, 6094620), (4, 4570965), (5, 3656772), (6, 3047310), (7, 2611980), (9, 2031540), (10, 1828386), (12, 1523655), (14, 1305990), (15, 1218924), (18, 1015770), (20, 914193), (21, 870660), (27, 677180), (28, 652995), (30, 609462), (35, 522396), (36, 507885), (42, 435330), (45, 406308), (49, 373140), (54, 338590), (60, 304731), (63, 290220), (70, 261198), (84, 217665), (90, 203154), (98, 186570), (105, 174132), (108, 169295), (126, 145110), (135, 135436), (140, 130599), (147, 124380), (180, 101577), (189, 96740), (196, 93285), (210, 87066), (245, 74628), (252, 72555), (270, 67718), (294, 62190), (315, 58044), (378, 48370), (420, 43533), (441, 41460), (490, 37314), (540, 33859), (588, 31095), (630, 29022), (691, 26460), (735, 24876), (756, 24185), (882, 20730), (945, 19348), (980, 18657), (1260, 14511), (1323, 13820), (1382, 13230), (1470, 12438), (1764, 10365), (1890, 9674), (2073, 8820), (2205, 8292), (2646, 6910), (2764, 6615), (2940, 6219), (3455, 5292), (3780, 4837), (4146, 4410)]