19169878

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 37001664

約数和(自身を除く): 17831786

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 367, 533, 574, 637, 734, 1066, 1274, 2009, 2569, 3731, 4018, 4771, 5138, 7462, 9542, 15047, 17983, 26117, 30094, 33397, 35966, 52234, 66794, 105329, 195611, 210658, 233779, 391222, 467558, 737303, 1369277, 1474606, 2738554, 9584939, 19169878]

約数ペア:

[(1, 19169878), (2, 9584939), (7, 2738554), (13, 1474606), (14, 1369277), (26, 737303), (41, 467558), (49, 391222), (82, 233779), (91, 210658), (98, 195611), (182, 105329), (287, 66794), (367, 52234), (533, 35966), (574, 33397), (637, 30094), (734, 26117), (1066, 17983), (1274, 15047), (2009, 9542), (2569, 7462), (3731, 5138), (4018, 4771)]