19746420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 39523980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 41, 46, 60, 69, 82, 92, 115, 123, 138, 164, 205, 230, 246, 276, 345, 349, 410, 460, 492, 615, 690, 698, 820, 943, 1047, 1230, 1380, 1396, 1745, 1886, 2094, 2460, 2829, 3490, 3772, 4188, 4715, 5235, 5658, 6980, 8027, 9430, 10470, 11316, 14145, 14309, 16054, 18860, 20940, 24081, 28290, 28618, 32108, 40135, 42927, 48162, 56580, 57236, 71545, 80270, 85854, 96324, 120405, 143090, 160540, 171708, 214635, 240810, 286180, 329107, 429270, 481620, 658214, 858540, 987321, 1316428, 1645535, 1974642, 3291070, 3949284, 4936605, 6582140, 9873210, 19746420]

約数ペア:

[(1, 19746420), (2, 9873210), (3, 6582140), (4, 4936605), (5, 3949284), (6, 3291070), (10, 1974642), (12, 1645535), (15, 1316428), (20, 987321), (23, 858540), (30, 658214), (41, 481620), (46, 429270), (60, 329107), (69, 286180), (82, 240810), (92, 214635), (115, 171708), (123, 160540), (138, 143090), (164, 120405), (205, 96324), (230, 85854), (246, 80270), (276, 71545), (345, 57236), (349, 56580), (410, 48162), (460, 42927), (492, 40135), (615, 32108), (690, 28618), (698, 28290), (820, 24081), (943, 20940), (1047, 18860), (1230, 16054), (1380, 14309), (1396, 14145), (1745, 11316), (1886, 10470), (2094, 9430), (2460, 8027), (2829, 6980), (3490, 5658), (3772, 5235), (4188, 4715)]