19856272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1973}}^1$

素因数の和:2035

約数の個数: 40

約数和(自身を含む): 41856696

約数和(自身を除く): 22000424

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 1973, 2516, 3946, 5032, 7892, 10064, 15784, 31568, 33541, 67082, 73001, 134164, 146002, 268328, 292004, 536656, 584008, 1168016, 1241017, 2482034, 4964068, 9928136, 19856272]

約数ペア:

[(1, 19856272), (2, 9928136), (4, 4964068), (8, 2482034), (16, 1241017), (17, 1168016), (34, 584008), (37, 536656), (68, 292004), (74, 268328), (136, 146002), (148, 134164), (272, 73001), (296, 67082), (592, 33541), (629, 31568), (1258, 15784), (1973, 10064), (2516, 7892), (3946, 5032)]