19964256

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:984

約数の個数: 96

約数和(自身を含む): 59820768

約数和(自身を除く): 39856512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 884, 941, 1248, 1326, 1632, 1768, 1882, 2652, 2823, 3536, 3764, 5304, 5646, 7072, 7528, 10608, 11292, 12233, 15056, 15997, 21216, 22584, 24466, 30112, 31994, 36699, 45168, 47991, 48932, 63988, 73398, 90336, 95982, 97864, 127976, 146796, 191964, 195728, 207961, 255952, 293592, 383928, 391456, 415922, 511904, 587184, 623883, 767856, 831844, 1174368, 1247766, 1535712, 1663688, 2495532, 3327376, 4991064, 6654752, 9982128, 19964256]

約数ペア:

[(1, 19964256), (2, 9982128), (3, 6654752), (4, 4991064), (6, 3327376), (8, 2495532), (12, 1663688), (13, 1535712), (16, 1247766), (17, 1174368), (24, 831844), (26, 767856), (32, 623883), (34, 587184), (39, 511904), (48, 415922), (51, 391456), (52, 383928), (68, 293592), (78, 255952), (96, 207961), (102, 195728), (104, 191964), (136, 146796), (156, 127976), (204, 97864), (208, 95982), (221, 90336), (272, 73398), (312, 63988), (408, 48932), (416, 47991), (442, 45168), (544, 36699), (624, 31994), (663, 30112), (816, 24466), (884, 22584), (941, 21216), (1248, 15997), (1326, 15056), (1632, 12233), (1768, 11292), (1882, 10608), (2652, 7528), (2823, 7072), (3536, 5646), (3764, 5304)]