1816893430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2017}}^1$

素因数の和:2485

約数の個数: 64

約数和(自身を含む): 3766072320

約数和(自身を除く): 1949178890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 431, 862, 1045, 2017, 2090, 2155, 4034, 4310, 4741, 8189, 9482, 10085, 16378, 20170, 22187, 23705, 38323, 40945, 44374, 47410, 76646, 81890, 90079, 110935, 180158, 191615, 221870, 383230, 421553, 450395, 843106, 869327, 900790, 1738654, 2107765, 4215530, 4346635, 8693270, 9562597, 16517213, 19125194, 33034426, 47812985, 82586065, 95625970, 165172130, 181689343, 363378686, 908446715, 1816893430]

約数ペア:

[(1, 1816893430), (2, 908446715), (5, 363378686), (10, 181689343), (11, 165172130), (19, 95625970), (22, 82586065), (38, 47812985), (55, 33034426), (95, 19125194), (110, 16517213), (190, 9562597), (209, 8693270), (418, 4346635), (431, 4215530), (862, 2107765), (1045, 1738654), (2017, 900790), (2090, 869327), (2155, 843106), (4034, 450395), (4310, 421553), (4741, 383230), (8189, 221870), (9482, 191615), (10085, 180158), (16378, 110935), (20170, 90079), (22187, 81890), (23705, 76646), (38323, 47410), (40945, 44374)]