19064240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 30807568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 797, 920, 1040, 1196, 1495, 1594, 1840, 2392, 2990, 3188, 3985, 4784, 5980, 6376, 7970, 10361, 11960, 12752, 15940, 18331, 20722, 23920, 31880, 36662, 41444, 51805, 63760, 73324, 82888, 91655, 103610, 146648, 165776, 183310, 207220, 238303, 293296, 366620, 414440, 476606, 733240, 828880, 953212, 1191515, 1466480, 1906424, 2383030, 3812848, 4766060, 9532120, 19064240]

約数ペア:

[(1, 19064240), (2, 9532120), (4, 4766060), (5, 3812848), (8, 2383030), (10, 1906424), (13, 1466480), (16, 1191515), (20, 953212), (23, 828880), (26, 733240), (40, 476606), (46, 414440), (52, 366620), (65, 293296), (80, 238303), (92, 207220), (104, 183310), (115, 165776), (130, 146648), (184, 103610), (208, 91655), (230, 82888), (260, 73324), (299, 63760), (368, 51805), (460, 41444), (520, 36662), (598, 31880), (797, 23920), (920, 20722), (1040, 18331), (1196, 15940), (1495, 12752), (1594, 11960), (1840, 10361), (2392, 7970), (2990, 6376), (3188, 5980), (3985, 4784)]