19461009080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{46687}}^1$

素因数の和:47328

約数の個数: 64

約数和(自身を含む): 46439619840

約数和(自身を除く): 26978610760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 613, 680, 1226, 2452, 3065, 4904, 6130, 10421, 12260, 20842, 24520, 41684, 46687, 52105, 83368, 93374, 104210, 186748, 208420, 233435, 373496, 416840, 466870, 793679, 933740, 1587358, 1867480, 3174716, 3968395, 6349432, 7936790, 15873580, 28619131, 31747160, 57238262, 114476524, 143095655, 228953048, 286191310, 486525227, 572382620, 973050454, 1144765240, 1946100908, 2432626135, 3892201816, 4865252270, 9730504540, 19461009080]

約数ペア:

[(1, 19461009080), (2, 9730504540), (4, 4865252270), (5, 3892201816), (8, 2432626135), (10, 1946100908), (17, 1144765240), (20, 973050454), (34, 572382620), (40, 486525227), (68, 286191310), (85, 228953048), (136, 143095655), (170, 114476524), (340, 57238262), (613, 31747160), (680, 28619131), (1226, 15873580), (2452, 7936790), (3065, 6349432), (4904, 3968395), (6130, 3174716), (10421, 1867480), (12260, 1587358), (20842, 933740), (24520, 793679), (41684, 466870), (46687, 416840), (52105, 373496), (83368, 233435), (93374, 208420), (104210, 186748)]