19838252

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22836436

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 476, 497, 587, 994, 1174, 1207, 1988, 2348, 2414, 4109, 4828, 8218, 8449, 9979, 16436, 16898, 19958, 33796, 39916, 41677, 69853, 83354, 139706, 166708, 279412, 291739, 583478, 708509, 1166956, 1417018, 2834036, 4959563, 9919126, 19838252]

約数ペア:

[(1, 19838252), (2, 9919126), (4, 4959563), (7, 2834036), (14, 1417018), (17, 1166956), (28, 708509), (34, 583478), (68, 291739), (71, 279412), (119, 166708), (142, 139706), (238, 83354), (284, 69853), (476, 41677), (497, 39916), (587, 33796), (994, 19958), (1174, 16898), (1207, 16436), (1988, 9979), (2348, 8449), (2414, 8218), (4109, 4828)]