19215684

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 50144640

約数和(自身を除く): 30928956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 983, 1086, 1629, 1966, 2172, 2949, 3258, 3932, 4887, 5898, 6516, 8847, 9774, 11796, 17694, 19548, 26541, 35388, 53082, 106164, 177923, 355846, 533769, 711692, 1067538, 1601307, 2135076, 3202614, 4803921, 6405228, 9607842, 19215684]

約数ペア:

[(1, 19215684), (2, 9607842), (3, 6405228), (4, 4803921), (6, 3202614), (9, 2135076), (12, 1601307), (18, 1067538), (27, 711692), (36, 533769), (54, 355846), (108, 177923), (181, 106164), (362, 53082), (543, 35388), (724, 26541), (983, 19548), (1086, 17694), (1629, 11796), (1966, 9774), (2172, 8847), (2949, 6516), (3258, 5898), (3932, 4887)]