19565140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 30431660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 61, 70, 79, 116, 122, 140, 145, 158, 203, 244, 290, 305, 316, 395, 406, 427, 553, 580, 610, 790, 812, 854, 1015, 1106, 1220, 1580, 1708, 1769, 2030, 2135, 2212, 2291, 2765, 3538, 4060, 4270, 4582, 4819, 5530, 7076, 8540, 8845, 9164, 9638, 11060, 11455, 12383, 16037, 17690, 19276, 22910, 24095, 24766, 32074, 33733, 35380, 45820, 48190, 49532, 61915, 64148, 67466, 80185, 96380, 123830, 134932, 139751, 160370, 168665, 247660, 279502, 320740, 337330, 559004, 674660, 698755, 978257, 1397510, 1956514, 2795020, 3913028, 4891285, 9782570, 19565140]

約数ペア:

[(1, 19565140), (2, 9782570), (4, 4891285), (5, 3913028), (7, 2795020), (10, 1956514), (14, 1397510), (20, 978257), (28, 698755), (29, 674660), (35, 559004), (58, 337330), (61, 320740), (70, 279502), (79, 247660), (116, 168665), (122, 160370), (140, 139751), (145, 134932), (158, 123830), (203, 96380), (244, 80185), (290, 67466), (305, 64148), (316, 61915), (395, 49532), (406, 48190), (427, 45820), (553, 35380), (580, 33733), (610, 32074), (790, 24766), (812, 24095), (854, 22910), (1015, 19276), (1106, 17690), (1220, 16037), (1580, 12383), (1708, 11455), (1769, 11060), (2030, 9638), (2135, 9164), (2212, 8845), (2291, 8540), (2765, 7076), (3538, 5530), (4060, 4819), (4270, 4582)]