18321512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 40875840

約数和(自身を除く): 22554328

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 37, 44, 68, 74, 88, 136, 148, 187, 296, 331, 374, 407, 629, 662, 748, 814, 1258, 1324, 1496, 1628, 2516, 2648, 3256, 3641, 5032, 5627, 6919, 7282, 11254, 12247, 13838, 14564, 22508, 24494, 27676, 29128, 45016, 48988, 55352, 61897, 97976, 123794, 134717, 208199, 247588, 269434, 416398, 495176, 538868, 832796, 1077736, 1665592, 2290189, 4580378, 9160756, 18321512]

約数ペア:

[(1, 18321512), (2, 9160756), (4, 4580378), (8, 2290189), (11, 1665592), (17, 1077736), (22, 832796), (34, 538868), (37, 495176), (44, 416398), (68, 269434), (74, 247588), (88, 208199), (136, 134717), (148, 123794), (187, 97976), (296, 61897), (331, 55352), (374, 48988), (407, 45016), (629, 29128), (662, 27676), (748, 24494), (814, 22508), (1258, 14564), (1324, 13838), (1496, 12247), (1628, 11254), (2516, 7282), (2648, 6919), (3256, 5627), (3641, 5032)]