18827235

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 40075200

約数和(自身を除く): 21247965

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 229, 261, 315, 405, 435, 567, 609, 687, 783, 945, 1015, 1145, 1305, 1603, 1827, 2061, 2349, 2835, 3045, 3435, 3915, 4809, 5481, 6183, 6641, 8015, 9135, 10305, 11745, 14427, 16443, 18549, 19923, 24045, 27405, 30915, 33205, 43281, 46487, 59769, 72135, 82215, 92745, 99615, 129843, 139461, 179307, 216405, 232435, 298845, 418383, 537921, 649215, 697305, 896535, 1255149, 2091915, 2689605, 3765447, 6275745, 18827235]

約数ペア:

[(1, 18827235), (3, 6275745), (5, 3765447), (7, 2689605), (9, 2091915), (15, 1255149), (21, 896535), (27, 697305), (29, 649215), (35, 537921), (45, 418383), (63, 298845), (81, 232435), (87, 216405), (105, 179307), (135, 139461), (145, 129843), (189, 99615), (203, 92745), (229, 82215), (261, 72135), (315, 59769), (405, 46487), (435, 43281), (567, 33205), (609, 30915), (687, 27405), (783, 24045), (945, 19923), (1015, 18549), (1145, 16443), (1305, 14427), (1603, 11745), (1827, 10305), (2061, 9135), (2349, 8015), (2835, 6641), (3045, 6183), (3435, 5481), (3915, 4809)]