18556980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 57558144

約数和(自身を除く): 39001164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 643, 740, 780, 962, 1110, 1286, 1443, 1924, 1929, 2220, 2405, 2572, 2886, 3215, 3858, 4810, 5772, 6430, 7215, 7716, 8359, 9620, 9645, 12860, 14430, 16718, 19290, 23791, 25077, 28860, 33436, 38580, 41795, 47582, 50154, 71373, 83590, 95164, 100308, 118955, 125385, 142746, 167180, 237910, 250770, 285492, 309283, 356865, 475820, 501540, 618566, 713730, 927849, 1237132, 1427460, 1546415, 1855698, 3092830, 3711396, 4639245, 6185660, 9278490, 18556980]

約数ペア:

[(1, 18556980), (2, 9278490), (3, 6185660), (4, 4639245), (5, 3711396), (6, 3092830), (10, 1855698), (12, 1546415), (13, 1427460), (15, 1237132), (20, 927849), (26, 713730), (30, 618566), (37, 501540), (39, 475820), (52, 356865), (60, 309283), (65, 285492), (74, 250770), (78, 237910), (111, 167180), (130, 142746), (148, 125385), (156, 118955), (185, 100308), (195, 95164), (222, 83590), (260, 71373), (370, 50154), (390, 47582), (444, 41795), (481, 38580), (555, 33436), (643, 28860), (740, 25077), (780, 23791), (962, 19290), (1110, 16718), (1286, 14430), (1443, 12860), (1924, 9645), (1929, 9620), (2220, 8359), (2405, 7716), (2572, 7215), (2886, 6430), (3215, 5772), (3858, 4810)]