18961980996

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{8737}}^1\times {\mathrm{3691}}^1$

素因数の和:12449

約数の個数: 72

約数和(自身を含む): 51488070816

約数和(自身を除く): 32526089820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 3691, 7382, 8737, 11073, 14764, 17474, 22146, 25837, 26211, 34948, 44292, 51674, 52422, 61159, 77511, 103348, 104844, 122318, 155022, 180859, 183477, 244636, 310044, 361718, 366954, 428113, 542577, 723436, 733908, 856226, 1085154, 1284339, 1712452, 2170308, 2568678, 5137356, 32248267, 64496534, 96744801, 128993068, 193489602, 225737869, 386979204, 451475738, 677213607, 902951476, 1354427214, 1580165083, 2708854428, 3160330166, 4740495249, 6320660332, 9480990498, 18961980996]

約数ペア:

[(1, 18961980996), (2, 9480990498), (3, 6320660332), (4, 4740495249), (6, 3160330166), (7, 2708854428), (12, 1580165083), (14, 1354427214), (21, 902951476), (28, 677213607), (42, 451475738), (49, 386979204), (84, 225737869), (98, 193489602), (147, 128993068), (196, 96744801), (294, 64496534), (588, 32248267), (3691, 5137356), (7382, 2568678), (8737, 2170308), (11073, 1712452), (14764, 1284339), (17474, 1085154), (22146, 856226), (25837, 733908), (26211, 723436), (34948, 542577), (44292, 428113), (51674, 366954), (52422, 361718), (61159, 310044), (77511, 244636), (103348, 183477), (104844, 180859), (122318, 155022)]