2019021818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 3503088000

約数和(自身を除く): 1484066182

約数列:

[1, 2, 11, 22, 29, 58, 67, 134, 149, 298, 317, 319, 634, 638, 737, 1474, 1639, 1943, 3278, 3487, 3886, 4321, 6974, 8642, 9193, 9983, 18386, 19966, 21239, 21373, 42478, 42746, 47233, 47531, 94466, 95062, 101123, 109813, 202246, 219626, 233629, 289507, 467258, 519563, 579014, 615931, 1039126, 1231862, 1369757, 2739514, 3164611, 3184577, 6329222, 6369154, 6775241, 13550482, 15067327, 30134654, 34810721, 69621442, 91773719, 183547438, 1009510909, 2019021818]

約数ペア:

[(1, 2019021818), (2, 1009510909), (11, 183547438), (22, 91773719), (29, 69621442), (58, 34810721), (67, 30134654), (134, 15067327), (149, 13550482), (298, 6775241), (317, 6369154), (319, 6329222), (634, 3184577), (638, 3164611), (737, 2739514), (1474, 1369757), (1639, 1231862), (1943, 1039126), (3278, 615931), (3487, 579014), (3886, 519563), (4321, 467258), (6974, 289507), (8642, 233629), (9193, 219626), (9983, 202246), (18386, 109813), (19966, 101123), (21239, 95062), (21373, 94466), (42478, 47531), (42746, 47233)]