19174640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 49336128

約数和(自身を除く): 30161488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 613, 680, 782, 920, 1226, 1360, 1564, 1840, 1955, 2452, 3065, 3128, 3910, 4904, 6130, 6256, 7820, 9808, 10421, 12260, 14099, 15640, 20842, 24520, 28198, 31280, 41684, 49040, 52105, 56396, 70495, 83368, 104210, 112792, 140990, 166736, 208420, 225584, 239683, 281980, 416840, 479366, 563960, 833680, 958732, 1127920, 1198415, 1917464, 2396830, 3834928, 4793660, 9587320, 19174640]

約数ペア:

[(1, 19174640), (2, 9587320), (4, 4793660), (5, 3834928), (8, 2396830), (10, 1917464), (16, 1198415), (17, 1127920), (20, 958732), (23, 833680), (34, 563960), (40, 479366), (46, 416840), (68, 281980), (80, 239683), (85, 225584), (92, 208420), (115, 166736), (136, 140990), (170, 112792), (184, 104210), (230, 83368), (272, 70495), (340, 56396), (368, 52105), (391, 49040), (460, 41684), (613, 31280), (680, 28198), (782, 24520), (920, 20842), (1226, 15640), (1360, 14099), (1564, 12260), (1840, 10421), (1955, 9808), (2452, 7820), (3065, 6256), (3128, 6130), (3910, 4904)]