19394816

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 45131520

約数和(自身を除く): 25736704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 137, 158, 224, 256, 274, 316, 448, 548, 553, 632, 896, 959, 1096, 1106, 1264, 1792, 1918, 2192, 2212, 2528, 3836, 4384, 4424, 5056, 7672, 8768, 8848, 10112, 10823, 15344, 17536, 17696, 20224, 21646, 30688, 35072, 35392, 43292, 61376, 70784, 75761, 86584, 122752, 141568, 151522, 173168, 245504, 303044, 346336, 606088, 692672, 1212176, 1385344, 2424352, 2770688, 4848704, 9697408, 19394816]

約数ペア:

[(1, 19394816), (2, 9697408), (4, 4848704), (7, 2770688), (8, 2424352), (14, 1385344), (16, 1212176), (28, 692672), (32, 606088), (56, 346336), (64, 303044), (79, 245504), (112, 173168), (128, 151522), (137, 141568), (158, 122752), (224, 86584), (256, 75761), (274, 70784), (316, 61376), (448, 43292), (548, 35392), (553, 35072), (632, 30688), (896, 21646), (959, 20224), (1096, 17696), (1106, 17536), (1264, 15344), (1792, 10823), (1918, 10112), (2192, 8848), (2212, 8768), (2528, 7672), (3836, 5056), (4384, 4424)]