17498988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 48157200

約数和(自身を除く): 30658212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 269, 278, 417, 468, 538, 556, 807, 834, 1076, 1251, 1614, 1668, 1807, 2421, 2502, 3228, 3497, 3614, 4842, 5004, 5421, 6994, 7228, 9684, 10491, 10842, 13988, 16263, 20982, 21684, 31473, 32526, 37391, 41964, 62946, 65052, 74782, 112173, 125892, 149564, 224346, 336519, 448692, 486083, 673038, 972166, 1346076, 1458249, 1944332, 2916498, 4374747, 5832996, 8749494, 17498988]

約数ペア:

[(1, 17498988), (2, 8749494), (3, 5832996), (4, 4374747), (6, 2916498), (9, 1944332), (12, 1458249), (13, 1346076), (18, 972166), (26, 673038), (36, 486083), (39, 448692), (52, 336519), (78, 224346), (117, 149564), (139, 125892), (156, 112173), (234, 74782), (269, 65052), (278, 62946), (417, 41964), (468, 37391), (538, 32526), (556, 31473), (807, 21684), (834, 20982), (1076, 16263), (1251, 13988), (1614, 10842), (1668, 10491), (1807, 9684), (2421, 7228), (2502, 6994), (3228, 5421), (3497, 5004), (3614, 4842)]