19241775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 41525120

約数和(自身を除く): 22283345

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 643, 665, 855, 1197, 1425, 1575, 1929, 1995, 3215, 3325, 4275, 4501, 5787, 5985, 9645, 9975, 12217, 13503, 16075, 22505, 28935, 29925, 36651, 40509, 48225, 61085, 67515, 85519, 109953, 112525, 144675, 183255, 202545, 256557, 305425, 337575, 427595, 549765, 769671, 916275, 1012725, 1282785, 2137975, 2748825, 3848355, 6413925, 19241775]

約数ペア:

[(1, 19241775), (3, 6413925), (5, 3848355), (7, 2748825), (9, 2137975), (15, 1282785), (19, 1012725), (21, 916275), (25, 769671), (35, 549765), (45, 427595), (57, 337575), (63, 305425), (75, 256557), (95, 202545), (105, 183255), (133, 144675), (171, 112525), (175, 109953), (225, 85519), (285, 67515), (315, 61085), (399, 48225), (475, 40509), (525, 36651), (643, 29925), (665, 28935), (855, 22505), (1197, 16075), (1425, 13503), (1575, 12217), (1929, 9975), (1995, 9645), (3215, 5985), (3325, 5787), (4275, 4501)]