19413940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10667}}^1$

素因数の和:10696

約数の個数: 48

約数和(自身を含む): 50182272

約数和(自身を除く): 30768332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10667, 21334, 42668, 53335, 74669, 106670, 138671, 149338, 213340, 277342, 298676, 373345, 554684, 693355, 746690, 970697, 1386710, 1493380, 1941394, 2773420, 3882788, 4853485, 9706970, 19413940]

約数ペア:

[(1, 19413940), (2, 9706970), (4, 4853485), (5, 3882788), (7, 2773420), (10, 1941394), (13, 1493380), (14, 1386710), (20, 970697), (26, 746690), (28, 693355), (35, 554684), (52, 373345), (65, 298676), (70, 277342), (91, 213340), (130, 149338), (140, 138671), (182, 106670), (260, 74669), (364, 53335), (455, 42668), (910, 21334), (1820, 10667)]