19694350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 40466160

約数和(自身を除く): 20771810

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 739, 1025, 1066, 1478, 2050, 2665, 3695, 5330, 7390, 9607, 13325, 18475, 19214, 26650, 30299, 36950, 48035, 60598, 96070, 151495, 240175, 302990, 393887, 480350, 757475, 787774, 1514950, 1969435, 3938870, 9847175, 19694350]

約数ペア:

[(1, 19694350), (2, 9847175), (5, 3938870), (10, 1969435), (13, 1514950), (25, 787774), (26, 757475), (41, 480350), (50, 393887), (65, 302990), (82, 240175), (130, 151495), (205, 96070), (325, 60598), (410, 48035), (533, 36950), (650, 30299), (739, 26650), (1025, 19214), (1066, 18475), (1478, 13325), (2050, 9607), (2665, 7390), (3695, 5330)]