19829928

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 51600960

約数和(自身を除く): 31771032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 137, 148, 163, 222, 274, 296, 326, 411, 444, 489, 548, 652, 822, 888, 978, 1096, 1304, 1644, 1956, 3288, 3912, 5069, 6031, 10138, 12062, 15207, 18093, 20276, 22331, 24124, 30414, 36186, 40552, 44662, 48248, 60828, 66993, 72372, 89324, 121656, 133986, 144744, 178648, 267972, 535944, 826247, 1652494, 2478741, 3304988, 4957482, 6609976, 9914964, 19829928]

約数ペア:

[(1, 19829928), (2, 9914964), (3, 6609976), (4, 4957482), (6, 3304988), (8, 2478741), (12, 1652494), (24, 826247), (37, 535944), (74, 267972), (111, 178648), (137, 144744), (148, 133986), (163, 121656), (222, 89324), (274, 72372), (296, 66993), (326, 60828), (411, 48248), (444, 44662), (489, 40552), (548, 36186), (652, 30414), (822, 24124), (888, 22331), (978, 20276), (1096, 18093), (1304, 15207), (1644, 12062), (1956, 10138), (3288, 6031), (3912, 5069)]