18979584

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1933

約数の個数: 72

約数和(自身を含む): 54427632

約数和(自身を除く): 35448048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 1901, 2496, 3328, 3802, 4992, 5703, 7604, 9984, 11406, 15208, 22812, 24713, 30416, 45624, 49426, 60832, 74139, 91248, 98852, 121664, 148278, 182496, 197704, 243328, 296556, 364992, 395408, 486656, 593112, 729984, 790816, 1186224, 1459968, 1581632, 2372448, 3163264, 4744896, 6326528, 9489792, 18979584]

約数ペア:

[(1, 18979584), (2, 9489792), (3, 6326528), (4, 4744896), (6, 3163264), (8, 2372448), (12, 1581632), (13, 1459968), (16, 1186224), (24, 790816), (26, 729984), (32, 593112), (39, 486656), (48, 395408), (52, 364992), (64, 296556), (78, 243328), (96, 197704), (104, 182496), (128, 148278), (156, 121664), (192, 98852), (208, 91248), (256, 74139), (312, 60832), (384, 49426), (416, 45624), (624, 30416), (768, 24713), (832, 22812), (1248, 15208), (1664, 11406), (1901, 9984), (2496, 7604), (3328, 5703), (3802, 4992)]