18440488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 22383512

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 209, 269, 328, 418, 451, 538, 779, 836, 902, 1076, 1558, 1672, 1804, 2152, 2959, 3116, 3608, 5111, 5918, 6232, 8569, 10222, 11029, 11836, 17138, 20444, 22058, 23672, 34276, 40888, 44116, 56221, 68552, 88232, 112442, 121319, 209551, 224884, 242638, 419102, 449768, 485276, 838204, 970552, 1676408, 2305061, 4610122, 9220244, 18440488]

約数ペア:

[(1, 18440488), (2, 9220244), (4, 4610122), (8, 2305061), (11, 1676408), (19, 970552), (22, 838204), (38, 485276), (41, 449768), (44, 419102), (76, 242638), (82, 224884), (88, 209551), (152, 121319), (164, 112442), (209, 88232), (269, 68552), (328, 56221), (418, 44116), (451, 40888), (538, 34276), (779, 23672), (836, 22058), (902, 20444), (1076, 17138), (1558, 11836), (1672, 11029), (1804, 10222), (2152, 8569), (2959, 6232), (3116, 5918), (3608, 5111)]