18238484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 19682476

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 629, 659, 748, 814, 1258, 1318, 1628, 2516, 2636, 6919, 7249, 11203, 13838, 14498, 22406, 24383, 27676, 28996, 44812, 48766, 97532, 123233, 246466, 268213, 414511, 492932, 536426, 829022, 1072852, 1658044, 4559621, 9119242, 18238484]

約数ペア:

[(1, 18238484), (2, 9119242), (4, 4559621), (11, 1658044), (17, 1072852), (22, 829022), (34, 536426), (37, 492932), (44, 414511), (68, 268213), (74, 246466), (148, 123233), (187, 97532), (374, 48766), (407, 44812), (629, 28996), (659, 27676), (748, 24383), (814, 22406), (1258, 14498), (1318, 13838), (1628, 11203), (2516, 7249), (2636, 6919)]