18846388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 38158848

約数和(自身を除く): 19312460

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 62, 82, 124, 164, 337, 341, 451, 674, 682, 902, 1271, 1348, 1364, 1804, 2542, 3707, 5084, 7414, 10447, 13817, 13981, 14828, 20894, 27634, 27962, 41788, 55268, 55924, 114917, 151987, 229834, 303974, 428327, 459668, 607948, 856654, 1713308, 4711597, 9423194, 18846388]

約数ペア:

[(1, 18846388), (2, 9423194), (4, 4711597), (11, 1713308), (22, 856654), (31, 607948), (41, 459668), (44, 428327), (62, 303974), (82, 229834), (124, 151987), (164, 114917), (337, 55924), (341, 55268), (451, 41788), (674, 27962), (682, 27634), (902, 20894), (1271, 14828), (1348, 13981), (1364, 13817), (1804, 10447), (2542, 7414), (3707, 5084)]