18822100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 45372096

約数和(自身を除く): 26549996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 241, 275, 284, 355, 482, 550, 710, 781, 964, 1100, 1205, 1420, 1562, 1775, 2410, 2651, 3124, 3550, 3905, 4820, 5302, 6025, 7100, 7810, 10604, 12050, 13255, 15620, 17111, 19525, 24100, 26510, 34222, 39050, 53020, 66275, 68444, 78100, 85555, 132550, 171110, 188221, 265100, 342220, 376442, 427775, 752884, 855550, 941105, 1711100, 1882210, 3764420, 4705525, 9411050, 18822100]

約数ペア:

[(1, 18822100), (2, 9411050), (4, 4705525), (5, 3764420), (10, 1882210), (11, 1711100), (20, 941105), (22, 855550), (25, 752884), (44, 427775), (50, 376442), (55, 342220), (71, 265100), (100, 188221), (110, 171110), (142, 132550), (220, 85555), (241, 78100), (275, 68444), (284, 66275), (355, 53020), (482, 39050), (550, 34222), (710, 26510), (781, 24100), (964, 19525), (1100, 17111), (1205, 15620), (1420, 13255), (1562, 12050), (1775, 10604), (2410, 7810), (2651, 7100), (3124, 6025), (3550, 5302), (3905, 4820)]