19956352

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 43696800

約数和(自身を除く): 23740448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 179, 208, 268, 358, 416, 536, 716, 832, 871, 1072, 1432, 1664, 1742, 2144, 2327, 2864, 3484, 4288, 4654, 5728, 6968, 8576, 9308, 11456, 11993, 13936, 18616, 22912, 23986, 27872, 37232, 47972, 55744, 74464, 95944, 111488, 148928, 155909, 191888, 297856, 311818, 383776, 623636, 767552, 1247272, 1535104, 2494544, 4989088, 9978176, 19956352]

約数ペア:

[(1, 19956352), (2, 9978176), (4, 4989088), (8, 2494544), (13, 1535104), (16, 1247272), (26, 767552), (32, 623636), (52, 383776), (64, 311818), (67, 297856), (104, 191888), (128, 155909), (134, 148928), (179, 111488), (208, 95944), (268, 74464), (358, 55744), (416, 47972), (536, 37232), (716, 27872), (832, 23986), (871, 22912), (1072, 18616), (1432, 13936), (1664, 11993), (1742, 11456), (2144, 9308), (2327, 8576), (2864, 6968), (3484, 5728), (4288, 4654)]