19686160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 51496704

約数和(自身を除く): 31810544

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, 823, 920, 1040, 1196, 1495, 1646, 1840, 2392, 2990, 3292, 4115, 4784, 5980, 6584, 8230, 10699, 11960, 13168, 16460, 18929, 21398, 23920, 32920, 37858, 42796, 53495, 65840, 75716, 85592, 94645, 106990, 151432, 171184, 189290, 213980, 246077, 302864, 378580, 427960, 492154, 757160, 855920, 984308, 1230385, 1514320, 1968616, 2460770, 3937232, 4921540, 9843080, 19686160]

約数ペア:

[(1, 19686160), (2, 9843080), (4, 4921540), (5, 3937232), (8, 2460770), (10, 1968616), (13, 1514320), (16, 1230385), (20, 984308), (23, 855920), (26, 757160), (40, 492154), (46, 427960), (52, 378580), (65, 302864), (80, 246077), (92, 213980), (104, 189290), (115, 171184), (130, 151432), (184, 106990), (208, 94645), (230, 85592), (260, 75716), (299, 65840), (368, 53495), (460, 42796), (520, 37858), (598, 32920), (823, 23920), (920, 21398), (1040, 18929), (1196, 16460), (1495, 13168), (1646, 11960), (1840, 10699), (2392, 8230), (2990, 6584), (3292, 5980), (4115, 4784)]