18436960

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 43923600

約数和(自身を除く): 25486640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 829, 1112, 1390, 1658, 2224, 2780, 3316, 4145, 4448, 5560, 6632, 8290, 11120, 13264, 16580, 22240, 26528, 33160, 66320, 115231, 132640, 230462, 460924, 576155, 921848, 1152310, 1843696, 2304620, 3687392, 4609240, 9218480, 18436960]

約数ペア:

[(1, 18436960), (2, 9218480), (4, 4609240), (5, 3687392), (8, 2304620), (10, 1843696), (16, 1152310), (20, 921848), (32, 576155), (40, 460924), (80, 230462), (139, 132640), (160, 115231), (278, 66320), (556, 33160), (695, 26528), (829, 22240), (1112, 16580), (1390, 13264), (1658, 11120), (2224, 8290), (2780, 6632), (3316, 5560), (4145, 4448)]