18769740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28439}}^1$

素因数の和:28462

約数の個数: 48

約数和(自身を含む): 57335040

約数和(自身を除く): 38565300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28439, 56878, 85317, 113756, 142195, 170634, 284390, 312829, 341268, 426585, 568780, 625658, 853170, 938487, 1251316, 1564145, 1706340, 1876974, 3128290, 3753948, 4692435, 6256580, 9384870, 18769740]

約数ペア:

[(1, 18769740), (2, 9384870), (3, 6256580), (4, 4692435), (5, 3753948), (6, 3128290), (10, 1876974), (11, 1706340), (12, 1564145), (15, 1251316), (20, 938487), (22, 853170), (30, 625658), (33, 568780), (44, 426585), (55, 341268), (60, 312829), (66, 284390), (110, 170634), (132, 142195), (165, 113756), (220, 85317), (330, 56878), (660, 28439)]