19365100

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{983}}^1$

素因数の和:1194

約数の個数: 36

約数和(自身を含む): 42278544

約数和(自身を除く): 22913444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 983, 985, 1966, 1970, 3932, 3940, 4915, 4925, 9830, 9850, 19660, 19700, 24575, 49150, 98300, 193651, 387302, 774604, 968255, 1936510, 3873020, 4841275, 9682550, 19365100]

約数ペア:

[(1, 19365100), (2, 9682550), (4, 4841275), (5, 3873020), (10, 1936510), (20, 968255), (25, 774604), (50, 387302), (100, 193651), (197, 98300), (394, 49150), (788, 24575), (983, 19700), (985, 19660), (1966, 9850), (1970, 9830), (3932, 4925), (3940, 4915)]