19553550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2213

約数の個数: 48

約数和(自身を含む): 49310832

約数和(自身を除く): 29757282

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2137, 3050, 4274, 4575, 6411, 9150, 10685, 12822, 21370, 32055, 53425, 64110, 106850, 130357, 160275, 260714, 320550, 391071, 651785, 782142, 1303570, 1955355, 3258925, 3910710, 6517850, 9776775, 19553550]

約数ペア:

[(1, 19553550), (2, 9776775), (3, 6517850), (5, 3910710), (6, 3258925), (10, 1955355), (15, 1303570), (25, 782142), (30, 651785), (50, 391071), (61, 320550), (75, 260714), (122, 160275), (150, 130357), (183, 106850), (305, 64110), (366, 53425), (610, 32055), (915, 21370), (1525, 12822), (1830, 10685), (2137, 9150), (3050, 6411), (4274, 4575)]