19438480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14293}}^1$

素因数の和:14323

約数の個数: 40

約数和(自身を含む): 47856312

約数和(自身を除く): 28417832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14293, 28586, 57172, 71465, 114344, 142930, 228688, 242981, 285860, 485962, 571720, 971924, 1143440, 1214905, 1943848, 2429810, 3887696, 4859620, 9719240, 19438480]

約数ペア:

[(1, 19438480), (2, 9719240), (4, 4859620), (5, 3887696), (8, 2429810), (10, 1943848), (16, 1214905), (17, 1143440), (20, 971924), (34, 571720), (40, 485962), (68, 285860), (80, 242981), (85, 228688), (136, 142930), (170, 114344), (272, 71465), (340, 57172), (680, 28586), (1360, 14293)]