19990322430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{105251}}^1$

素因数の和:105761

約数の個数: 64

約数和(自身を含む): 51773879808

約数和(自身を除く): 31783557378

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 487, 974, 1461, 2435, 2922, 4870, 6331, 7305, 12662, 14610, 18993, 31655, 37986, 63310, 94965, 105251, 189930, 210502, 315753, 526255, 631506, 1052510, 1368263, 1578765, 2736526, 3157530, 4104789, 6841315, 8209578, 13682630, 20523945, 41047890, 51257237, 102514474, 153771711, 256286185, 307543422, 512572370, 666344081, 768858555, 1332688162, 1537717110, 1999032243, 3331720405, 3998064486, 6663440810, 9995161215, 19990322430]

約数ペア:

[(1, 19990322430), (2, 9995161215), (3, 6663440810), (5, 3998064486), (6, 3331720405), (10, 1999032243), (13, 1537717110), (15, 1332688162), (26, 768858555), (30, 666344081), (39, 512572370), (65, 307543422), (78, 256286185), (130, 153771711), (195, 102514474), (390, 51257237), (487, 41047890), (974, 20523945), (1461, 13682630), (2435, 8209578), (2922, 6841315), (4870, 4104789), (6331, 3157530), (7305, 2736526), (12662, 1578765), (14610, 1368263), (18993, 1052510), (31655, 631506), (37986, 526255), (63310, 315753), (94965, 210502), (105251, 189930)]