19541904

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 54472704

約数和(自身を除く): 34930800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 46, 48, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 368, 372, 496, 552, 571, 713, 744, 1104, 1142, 1426, 1488, 1713, 2139, 2284, 2852, 3426, 4278, 4568, 5704, 6852, 8556, 9136, 11408, 13133, 13704, 17112, 17701, 26266, 27408, 34224, 35402, 39399, 52532, 53103, 70804, 78798, 105064, 106206, 141608, 157596, 210128, 212412, 283216, 315192, 407123, 424824, 630384, 814246, 849648, 1221369, 1628492, 2442738, 3256984, 4885476, 6513968, 9770952, 19541904]

約数ペア:

[(1, 19541904), (2, 9770952), (3, 6513968), (4, 4885476), (6, 3256984), (8, 2442738), (12, 1628492), (16, 1221369), (23, 849648), (24, 814246), (31, 630384), (46, 424824), (48, 407123), (62, 315192), (69, 283216), (92, 212412), (93, 210128), (124, 157596), (138, 141608), (184, 106206), (186, 105064), (248, 78798), (276, 70804), (368, 53103), (372, 52532), (496, 39399), (552, 35402), (571, 34224), (713, 27408), (744, 26266), (1104, 17701), (1142, 17112), (1426, 13704), (1488, 13133), (1713, 11408), (2139, 9136), (2284, 8556), (2852, 6852), (3426, 5704), (4278, 4568)]