19421108

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21947212

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 569, 644, 742, 1138, 1219, 1484, 2276, 2438, 3983, 4876, 7966, 8533, 13087, 15932, 17066, 26174, 30157, 34132, 52348, 60314, 91609, 120628, 183218, 211099, 366436, 422198, 693611, 844396, 1387222, 2774444, 4855277, 9710554, 19421108]

約数ペア:

[(1, 19421108), (2, 9710554), (4, 4855277), (7, 2774444), (14, 1387222), (23, 844396), (28, 693611), (46, 422198), (53, 366436), (92, 211099), (106, 183218), (161, 120628), (212, 91609), (322, 60314), (371, 52348), (569, 34132), (644, 30157), (742, 26174), (1138, 17066), (1219, 15932), (1484, 13087), (2276, 8533), (2438, 7966), (3983, 4876)]