19403904

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 128

約数和(自身を含む): 58262400

約数和(自身を除く): 38858496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 128, 138, 156, 169, 184, 192, 208, 276, 299, 312, 338, 368, 384, 416, 507, 552, 598, 624, 676, 736, 832, 897, 1014, 1104, 1196, 1248, 1352, 1472, 1664, 1794, 2028, 2197, 2208, 2392, 2496, 2704, 2944, 3588, 3887, 4056, 4394, 4416, 4784, 4992, 5408, 6591, 7176, 7774, 8112, 8788, 8832, 9568, 10816, 11661, 13182, 14352, 15548, 16224, 17576, 19136, 21632, 23322, 26364, 28704, 31096, 32448, 35152, 38272, 46644, 50531, 52728, 57408, 62192, 64896, 70304, 93288, 101062, 105456, 114816, 124384, 140608, 151593, 186576, 202124, 210912, 248768, 281216, 303186, 373152, 404248, 421824, 497536, 606372, 746304, 808496, 843648, 1212744, 1492608, 1616992, 2425488, 3233984, 4850976, 6467968, 9701952, 19403904]

約数ペア:

[(1, 19403904), (2, 9701952), (3, 6467968), (4, 4850976), (6, 3233984), (8, 2425488), (12, 1616992), (13, 1492608), (16, 1212744), (23, 843648), (24, 808496), (26, 746304), (32, 606372), (39, 497536), (46, 421824), (48, 404248), (52, 373152), (64, 303186), (69, 281216), (78, 248768), (92, 210912), (96, 202124), (104, 186576), (128, 151593), (138, 140608), (156, 124384), (169, 114816), (184, 105456), (192, 101062), (208, 93288), (276, 70304), (299, 64896), (312, 62192), (338, 57408), (368, 52728), (384, 50531), (416, 46644), (507, 38272), (552, 35152), (598, 32448), (624, 31096), (676, 28704), (736, 26364), (832, 23322), (897, 21632), (1014, 19136), (1104, 17576), (1196, 16224), (1248, 15548), (1352, 14352), (1472, 13182), (1664, 11661), (1794, 10816), (2028, 9568), (2197, 8832), (2208, 8788), (2392, 8112), (2496, 7774), (2704, 7176), (2944, 6591), (3588, 5408), (3887, 4992), (4056, 4784), (4394, 4416)]