19451220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7907}}^1$

素因数の和:7960

約数の個数: 48

約数和(自身を含む): 55798848

約数和(自身を除く): 36347628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7907, 15814, 23721, 31628, 39535, 47442, 79070, 94884, 118605, 158140, 237210, 324187, 474420, 648374, 972561, 1296748, 1620935, 1945122, 3241870, 3890244, 4862805, 6483740, 9725610, 19451220]

約数ペア:

[(1, 19451220), (2, 9725610), (3, 6483740), (4, 4862805), (5, 3890244), (6, 3241870), (10, 1945122), (12, 1620935), (15, 1296748), (20, 972561), (30, 648374), (41, 474420), (60, 324187), (82, 237210), (123, 158140), (164, 118605), (205, 94884), (246, 79070), (410, 47442), (492, 39535), (615, 31628), (820, 23721), (1230, 15814), (2460, 7907)]