18698330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 22013350

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 61, 70, 122, 145, 151, 203, 290, 302, 305, 406, 427, 610, 755, 854, 1015, 1057, 1510, 1769, 2030, 2114, 2135, 3538, 4270, 4379, 5285, 8758, 8845, 9211, 10570, 12383, 17690, 18422, 21895, 24766, 30653, 43790, 46055, 61306, 61915, 64477, 92110, 123830, 128954, 153265, 267119, 306530, 322385, 534238, 644770, 1335595, 1869833, 2671190, 3739666, 9349165, 18698330]

約数ペア:

[(1, 18698330), (2, 9349165), (5, 3739666), (7, 2671190), (10, 1869833), (14, 1335595), (29, 644770), (35, 534238), (58, 322385), (61, 306530), (70, 267119), (122, 153265), (145, 128954), (151, 123830), (203, 92110), (290, 64477), (302, 61915), (305, 61306), (406, 46055), (427, 43790), (610, 30653), (755, 24766), (854, 21895), (1015, 18422), (1057, 17690), (1510, 12383), (1769, 10570), (2030, 9211), (2114, 8845), (2135, 8758), (3538, 5285), (4270, 4379)]