18998088

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 30897912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 328, 344, 449, 492, 516, 898, 984, 1032, 1347, 1763, 1796, 2694, 3526, 3592, 5289, 5388, 7052, 10578, 10776, 14104, 18409, 19307, 21156, 36818, 38614, 42312, 55227, 57921, 73636, 77228, 110454, 115842, 147272, 154456, 220908, 231684, 441816, 463368, 791587, 1583174, 2374761, 3166348, 4749522, 6332696, 9499044, 18998088]

約数ペア:

[(1, 18998088), (2, 9499044), (3, 6332696), (4, 4749522), (6, 3166348), (8, 2374761), (12, 1583174), (24, 791587), (41, 463368), (43, 441816), (82, 231684), (86, 220908), (123, 154456), (129, 147272), (164, 115842), (172, 110454), (246, 77228), (258, 73636), (328, 57921), (344, 55227), (449, 42312), (492, 38614), (516, 36818), (898, 21156), (984, 19307), (1032, 18409), (1347, 14104), (1763, 10776), (1796, 10578), (2694, 7052), (3526, 5388), (3592, 5289)]