18972272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 42712296

約数和(自身を除く): 23740024

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 289, 373, 374, 578, 746, 748, 1156, 1492, 1496, 2312, 2984, 2992, 3179, 4103, 4624, 5968, 6341, 6358, 8206, 12682, 12716, 16412, 25364, 25432, 32824, 50728, 50864, 65648, 69751, 101456, 107797, 139502, 215594, 279004, 431188, 558008, 862376, 1116016, 1185767, 1724752, 2371534, 4743068, 9486136, 18972272]

約数ペア:

[(1, 18972272), (2, 9486136), (4, 4743068), (8, 2371534), (11, 1724752), (16, 1185767), (17, 1116016), (22, 862376), (34, 558008), (44, 431188), (68, 279004), (88, 215594), (136, 139502), (176, 107797), (187, 101456), (272, 69751), (289, 65648), (373, 50864), (374, 50728), (578, 32824), (746, 25432), (748, 25364), (1156, 16412), (1492, 12716), (1496, 12682), (2312, 8206), (2984, 6358), (2992, 6341), (3179, 5968), (4103, 4624)]