18150550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 37502064

約数和(自身を除く): 19351514

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 122, 275, 305, 541, 550, 610, 671, 1082, 1342, 1525, 2705, 3050, 3355, 5410, 5951, 6710, 11902, 13525, 16775, 27050, 29755, 33001, 33550, 59510, 66002, 148775, 165005, 297550, 330010, 363011, 726022, 825025, 1650050, 1815055, 3630110, 9075275, 18150550]

約数ペア:

[(1, 18150550), (2, 9075275), (5, 3630110), (10, 1815055), (11, 1650050), (22, 825025), (25, 726022), (50, 363011), (55, 330010), (61, 297550), (110, 165005), (122, 148775), (275, 66002), (305, 59510), (541, 33550), (550, 33001), (610, 29755), (671, 27050), (1082, 16775), (1342, 13525), (1525, 11902), (2705, 6710), (3050, 5951), (3355, 5410)]