18831540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3481

約数の個数: 96

約数和(自身を含む): 64915200

約数和(自身を除く): 46083660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3449, 5460, 6898, 10347, 13796, 17245, 20694, 24143, 34490, 41388, 44837, 48286, 51735, 68980, 72429, 89674, 96572, 103470, 120715, 134511, 144858, 179348, 206940, 224185, 241430, 269022, 289716, 313859, 362145, 448370, 482860, 538044, 627718, 672555, 724290, 896740, 941577, 1255436, 1345110, 1448580, 1569295, 1883154, 2690220, 3138590, 3766308, 4707885, 6277180, 9415770, 18831540]

約数ペア:

[(1, 18831540), (2, 9415770), (3, 6277180), (4, 4707885), (5, 3766308), (6, 3138590), (7, 2690220), (10, 1883154), (12, 1569295), (13, 1448580), (14, 1345110), (15, 1255436), (20, 941577), (21, 896740), (26, 724290), (28, 672555), (30, 627718), (35, 538044), (39, 482860), (42, 448370), (52, 362145), (60, 313859), (65, 289716), (70, 269022), (78, 241430), (84, 224185), (91, 206940), (105, 179348), (130, 144858), (140, 134511), (156, 120715), (182, 103470), (195, 96572), (210, 89674), (260, 72429), (273, 68980), (364, 51735), (390, 48286), (420, 44837), (455, 41388), (546, 34490), (780, 24143), (910, 20694), (1092, 17245), (1365, 13796), (1820, 10347), (2730, 6898), (3449, 5460)]