18660220740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14809699}}^1$

素因数の和:14809721

約数の個数: 72

約数和(自身を含む): 64688769600

約数和(自身を除く): 46028548860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14809699, 29619398, 44429097, 59238796, 74048495, 88858194, 103667893, 133287291, 148096990, 177716388, 207335786, 222145485, 266574582, 296193980, 311003679, 414671572, 444290970, 518339465, 533149164, 622007358, 666436455, 888581940, 933011037, 1036678930, 1244014716, 1332872910, 1555018395, 1866022074, 2073357860, 2665745820, 3110036790, 3732044148, 4665055185, 6220073580, 9330110370, 18660220740]

約数ペア:

[(1, 18660220740), (2, 9330110370), (3, 6220073580), (4, 4665055185), (5, 3732044148), (6, 3110036790), (7, 2665745820), (9, 2073357860), (10, 1866022074), (12, 1555018395), (14, 1332872910), (15, 1244014716), (18, 1036678930), (20, 933011037), (21, 888581940), (28, 666436455), (30, 622007358), (35, 533149164), (36, 518339465), (42, 444290970), (45, 414671572), (60, 311003679), (63, 296193980), (70, 266574582), (84, 222145485), (90, 207335786), (105, 177716388), (126, 148096990), (140, 133287291), (180, 103667893), (210, 88858194), (252, 74048495), (315, 59238796), (420, 44429097), (630, 29619398), (1260, 14809699)]