19965984

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6709}}^1$

素因数の和:6753

約数の個数: 48

約数和(自身を含む): 54109440

約数和(自身を除く): 34143456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 6709, 13418, 20127, 26836, 40254, 53672, 80508, 107344, 161016, 207979, 214688, 322032, 415958, 623937, 644064, 831916, 1247874, 1663832, 2495748, 3327664, 4991496, 6655328, 9982992, 19965984]

約数ペア:

[(1, 19965984), (2, 9982992), (3, 6655328), (4, 4991496), (6, 3327664), (8, 2495748), (12, 1663832), (16, 1247874), (24, 831916), (31, 644064), (32, 623937), (48, 415958), (62, 322032), (93, 214688), (96, 207979), (124, 161016), (186, 107344), (248, 80508), (372, 53672), (496, 40254), (744, 26836), (992, 20127), (1488, 13418), (2976, 6709)]