18169580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1$

素因数の和:6386

約数の個数: 48

約数和(自身を含む): 44833824

約数和(自身を除く): 26664244

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6353, 12706, 25412, 31765, 63530, 69883, 82589, 127060, 139766, 165178, 279532, 330356, 349415, 412945, 698830, 825890, 908479, 1397660, 1651780, 1816958, 3633916, 4542395, 9084790, 18169580]

約数ペア:

[(1, 18169580), (2, 9084790), (4, 4542395), (5, 3633916), (10, 1816958), (11, 1651780), (13, 1397660), (20, 908479), (22, 825890), (26, 698830), (44, 412945), (52, 349415), (55, 330356), (65, 279532), (110, 165178), (130, 139766), (143, 127060), (220, 82589), (260, 69883), (286, 63530), (572, 31765), (715, 25412), (1430, 12706), (2860, 6353)]