18689664

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 60220800

約数和(自身を除く): 41531136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 128, 136, 168, 192, 204, 224, 238, 272, 336, 357, 384, 408, 409, 448, 476, 544, 672, 714, 816, 818, 896, 952, 1088, 1227, 1344, 1428, 1632, 1636, 1904, 2176, 2454, 2688, 2856, 2863, 3264, 3272, 3808, 4908, 5712, 5726, 6528, 6544, 6953, 7616, 8589, 9816, 11424, 11452, 13088, 13906, 15232, 17178, 19632, 20859, 22848, 22904, 26176, 27812, 34356, 39264, 41718, 45696, 45808, 48671, 52352, 55624, 68712, 78528, 83436, 91616, 97342, 111248, 137424, 146013, 157056, 166872, 183232, 194684, 222496, 274848, 292026, 333744, 366464, 389368, 444992, 549696, 584052, 667488, 778736, 889984, 1099392, 1168104, 1334976, 1557472, 2336208, 2669952, 3114944, 4672416, 6229888, 9344832, 18689664]

約数ペア:

[(1, 18689664), (2, 9344832), (3, 6229888), (4, 4672416), (6, 3114944), (7, 2669952), (8, 2336208), (12, 1557472), (14, 1334976), (16, 1168104), (17, 1099392), (21, 889984), (24, 778736), (28, 667488), (32, 584052), (34, 549696), (42, 444992), (48, 389368), (51, 366464), (56, 333744), (64, 292026), (68, 274848), (84, 222496), (96, 194684), (102, 183232), (112, 166872), (119, 157056), (128, 146013), (136, 137424), (168, 111248), (192, 97342), (204, 91616), (224, 83436), (238, 78528), (272, 68712), (336, 55624), (357, 52352), (384, 48671), (408, 45808), (409, 45696), (448, 41718), (476, 39264), (544, 34356), (672, 27812), (714, 26176), (816, 22904), (818, 22848), (896, 20859), (952, 19632), (1088, 17178), (1227, 15232), (1344, 13906), (1428, 13088), (1632, 11452), (1636, 11424), (1904, 9816), (2176, 8589), (2454, 7616), (2688, 6953), (2856, 6544), (2863, 6528), (3264, 5726), (3272, 5712), (3808, 4908)]