19468540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 53061120

約数和(自身を除く): 33592580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 563, 665, 910, 988, 1126, 1235, 1330, 1729, 1820, 2252, 2470, 2660, 2815, 3458, 3941, 4940, 5630, 6916, 7319, 7882, 8645, 10697, 11260, 14638, 15764, 17290, 19705, 21394, 29276, 34580, 36595, 39410, 42788, 51233, 53485, 73190, 74879, 78820, 102466, 106970, 139061, 146380, 149758, 204932, 213940, 256165, 278122, 299516, 374395, 512330, 556244, 695305, 748790, 973427, 1024660, 1390610, 1497580, 1946854, 2781220, 3893708, 4867135, 9734270, 19468540]

約数ペア:

[(1, 19468540), (2, 9734270), (4, 4867135), (5, 3893708), (7, 2781220), (10, 1946854), (13, 1497580), (14, 1390610), (19, 1024660), (20, 973427), (26, 748790), (28, 695305), (35, 556244), (38, 512330), (52, 374395), (65, 299516), (70, 278122), (76, 256165), (91, 213940), (95, 204932), (130, 149758), (133, 146380), (140, 139061), (182, 106970), (190, 102466), (247, 78820), (260, 74879), (266, 73190), (364, 53485), (380, 51233), (455, 42788), (494, 39410), (532, 36595), (563, 34580), (665, 29276), (910, 21394), (988, 19705), (1126, 17290), (1235, 15764), (1330, 14638), (1729, 11260), (1820, 10697), (2252, 8645), (2470, 7882), (2660, 7319), (2815, 6916), (3458, 5630), (3941, 4940)]