18841472

素因数分解:

$2^7\times {\mathrm{13}}^3\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 41269200

約数和(自身を除く): 22427728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 169, 208, 268, 338, 416, 536, 676, 832, 871, 1072, 1352, 1664, 1742, 2144, 2197, 2704, 3484, 4288, 4394, 5408, 6968, 8576, 8788, 10816, 11323, 13936, 17576, 21632, 22646, 27872, 35152, 45292, 55744, 70304, 90584, 111488, 140608, 147199, 181168, 281216, 294398, 362336, 588796, 724672, 1177592, 1449344, 2355184, 4710368, 9420736, 18841472]

約数ペア:

[(1, 18841472), (2, 9420736), (4, 4710368), (8, 2355184), (13, 1449344), (16, 1177592), (26, 724672), (32, 588796), (52, 362336), (64, 294398), (67, 281216), (104, 181168), (128, 147199), (134, 140608), (169, 111488), (208, 90584), (268, 70304), (338, 55744), (416, 45292), (536, 35152), (676, 27872), (832, 22646), (871, 21632), (1072, 17576), (1352, 13936), (1664, 11323), (1742, 10816), (2144, 8788), (2197, 8576), (2704, 6968), (3484, 5408), (4288, 4394)]