19078109440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1146521}}^1$

素因数の和:1146555

約数の個数: 72

約数和(自身を含む): 49213310328

約数和(自身を除く): 30135200888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 1146521, 2293042, 4586084, 5732605, 9172168, 11465210, 14904773, 18344336, 22930420, 29809546, 36688672, 45860840, 59619092, 73377344, 74523865, 91721680, 119238184, 146754688, 149047730, 183443360, 238476368, 293509376, 298095460, 366886720, 476952736, 596190920, 733773440, 953905472, 1192381840, 1467546880, 1907810944, 2384763680, 3815621888, 4769527360, 9539054720, 19078109440]

約数ペア:

[(1, 19078109440), (2, 9539054720), (4, 4769527360), (5, 3815621888), (8, 2384763680), (10, 1907810944), (13, 1467546880), (16, 1192381840), (20, 953905472), (26, 733773440), (32, 596190920), (40, 476952736), (52, 366886720), (64, 298095460), (65, 293509376), (80, 238476368), (104, 183443360), (128, 149047730), (130, 146754688), (160, 119238184), (208, 91721680), (256, 74523865), (260, 73377344), (320, 59619092), (416, 45860840), (520, 36688672), (640, 29809546), (832, 22930420), (1040, 18344336), (1280, 14904773), (1664, 11465210), (2080, 9172168), (3328, 5732605), (4160, 4586084), (8320, 2293042), (16640, 1146521)]