19636360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 27952760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 431, 536, 670, 680, 862, 1139, 1340, 1724, 2155, 2278, 2680, 3448, 4310, 4556, 5695, 7327, 8620, 9112, 11390, 14654, 17240, 22780, 28877, 29308, 36635, 45560, 57754, 58616, 73270, 115508, 144385, 146540, 231016, 288770, 293080, 490909, 577540, 981818, 1155080, 1963636, 2454545, 3927272, 4909090, 9818180, 19636360]

約数ペア:

[(1, 19636360), (2, 9818180), (4, 4909090), (5, 3927272), (8, 2454545), (10, 1963636), (17, 1155080), (20, 981818), (34, 577540), (40, 490909), (67, 293080), (68, 288770), (85, 231016), (134, 146540), (136, 144385), (170, 115508), (268, 73270), (335, 58616), (340, 57754), (431, 45560), (536, 36635), (670, 29308), (680, 28877), (862, 22780), (1139, 17240), (1340, 14654), (1724, 11390), (2155, 9112), (2278, 8620), (2680, 7327), (3448, 5695), (4310, 4556)]