18764650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 36419544

約数和(自身を除く): 17654894

約数列:

[1, 2, 5, 10, 25, 50, 53, 73, 97, 106, 146, 194, 265, 365, 485, 530, 730, 970, 1325, 1825, 2425, 2650, 3650, 3869, 4850, 5141, 7081, 7738, 10282, 14162, 19345, 25705, 35405, 38690, 51410, 70810, 96725, 128525, 177025, 193450, 257050, 354050, 375293, 750586, 1876465, 3752930, 9382325, 18764650]

約数ペア:

[(1, 18764650), (2, 9382325), (5, 3752930), (10, 1876465), (25, 750586), (50, 375293), (53, 354050), (73, 257050), (97, 193450), (106, 177025), (146, 128525), (194, 96725), (265, 70810), (365, 51410), (485, 38690), (530, 35405), (730, 25705), (970, 19345), (1325, 14162), (1825, 10282), (2425, 7738), (2650, 7081), (3650, 5141), (3869, 4850)]