18280147172

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{983}}^1\times {\mathrm{1201}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 37753954560

約数和(自身を除く): 19473807388

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 983, 1106, 1201, 1966, 2212, 2402, 3871, 3932, 4804, 6881, 7742, 8407, 13762, 15484, 16814, 27524, 33628, 48167, 58849, 77657, 94879, 96334, 117698, 155314, 189758, 192668, 235396, 310628, 379516, 543599, 664153, 1087198, 1180583, 1328306, 2174396, 2361166, 2656612, 3805193, 4649071, 4722332, 7610386, 8264081, 9298142, 15220772, 16528162, 18596284, 33056324, 57848567, 93266057, 115697134, 186532114, 231394268, 373064228, 652862399, 1305724798, 2611449596, 4570036793, 9140073586, 18280147172]

約数ペア:

[(1, 18280147172), (2, 9140073586), (4, 4570036793), (7, 2611449596), (14, 1305724798), (28, 652862399), (49, 373064228), (79, 231394268), (98, 186532114), (158, 115697134), (196, 93266057), (316, 57848567), (553, 33056324), (983, 18596284), (1106, 16528162), (1201, 15220772), (1966, 9298142), (2212, 8264081), (2402, 7610386), (3871, 4722332), (3932, 4649071), (4804, 3805193), (6881, 2656612), (7742, 2361166), (8407, 2174396), (13762, 1328306), (15484, 1180583), (16814, 1087198), (27524, 664153), (33628, 543599), (48167, 379516), (58849, 310628), (77657, 235396), (94879, 192668), (96334, 189758), (117698, 155314)]