19090920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6917}}^1$

素因数の和:6954

約数の個数: 64

約数和(自身を含む): 59771520

約数和(自身を除く): 40680600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6917, 13834, 20751, 27668, 34585, 41502, 55336, 69170, 83004, 103755, 138340, 159091, 166008, 207510, 276680, 318182, 415020, 477273, 636364, 795455, 830040, 954546, 1272728, 1590910, 1909092, 2386365, 3181820, 3818184, 4772730, 6363640, 9545460, 19090920]

約数ペア:

[(1, 19090920), (2, 9545460), (3, 6363640), (4, 4772730), (5, 3818184), (6, 3181820), (8, 2386365), (10, 1909092), (12, 1590910), (15, 1272728), (20, 954546), (23, 830040), (24, 795455), (30, 636364), (40, 477273), (46, 415020), (60, 318182), (69, 276680), (92, 207510), (115, 166008), (120, 159091), (138, 138340), (184, 103755), (230, 83004), (276, 69170), (345, 55336), (460, 41502), (552, 34585), (690, 27668), (920, 20751), (1380, 13834), (2760, 6917)]