18992792

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3727}}^1$

素因数の和:3760

約数の個数: 48

約数和(自身を含む): 44624160

約数和(自身を除く): 25631368

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3727, 5096, 7454, 14908, 26089, 29816, 48451, 52178, 96902, 104356, 182623, 193804, 208712, 339157, 365246, 387608, 678314, 730492, 1356628, 1460984, 2374099, 2713256, 4748198, 9496396, 18992792]

約数ペア:

[(1, 18992792), (2, 9496396), (4, 4748198), (7, 2713256), (8, 2374099), (13, 1460984), (14, 1356628), (26, 730492), (28, 678314), (49, 387608), (52, 365246), (56, 339157), (91, 208712), (98, 193804), (104, 182623), (182, 104356), (196, 96902), (364, 52178), (392, 48451), (637, 29816), (728, 26089), (1274, 14908), (2548, 7454), (3727, 5096)]