18252520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3191}}^1$

素因数の和:3226

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 30010520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3191, 5720, 6382, 12764, 15955, 25528, 31910, 35101, 41483, 63820, 70202, 82966, 127640, 140404, 165932, 175505, 207415, 280808, 331864, 351010, 414830, 456313, 702020, 829660, 912626, 1404040, 1659320, 1825252, 2281565, 3650504, 4563130, 9126260, 18252520]

約数ペア:

[(1, 18252520), (2, 9126260), (4, 4563130), (5, 3650504), (8, 2281565), (10, 1825252), (11, 1659320), (13, 1404040), (20, 912626), (22, 829660), (26, 702020), (40, 456313), (44, 414830), (52, 351010), (55, 331864), (65, 280808), (88, 207415), (104, 175505), (110, 165932), (130, 140404), (143, 127640), (220, 82966), (260, 70202), (286, 63820), (440, 41483), (520, 35101), (572, 31910), (715, 25528), (1144, 15955), (1430, 12764), (2860, 6382), (3191, 5720)]