19788288

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1025

約数の個数: 80

約数和(自身を含む): 56829696

約数和(自身を除く): 37041408

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, 512, 624, 768, 832, 991, 1248, 1536, 1664, 1982, 2496, 2973, 3328, 3964, 4992, 5946, 6656, 7928, 9984, 11892, 12883, 15856, 19968, 23784, 25766, 31712, 38649, 47568, 51532, 63424, 77298, 95136, 103064, 126848, 154596, 190272, 206128, 253696, 309192, 380544, 412256, 507392, 618384, 761088, 824512, 1236768, 1522176, 1649024, 2473536, 3298048, 4947072, 6596096, 9894144, 19788288]

約数ペア:

[(1, 19788288), (2, 9894144), (3, 6596096), (4, 4947072), (6, 3298048), (8, 2473536), (12, 1649024), (13, 1522176), (16, 1236768), (24, 824512), (26, 761088), (32, 618384), (39, 507392), (48, 412256), (52, 380544), (64, 309192), (78, 253696), (96, 206128), (104, 190272), (128, 154596), (156, 126848), (192, 103064), (208, 95136), (256, 77298), (312, 63424), (384, 51532), (416, 47568), (512, 38649), (624, 31712), (768, 25766), (832, 23784), (991, 19968), (1248, 15856), (1536, 12883), (1664, 11892), (1982, 9984), (2496, 7928), (2973, 6656), (3328, 5946), (3964, 4992)]