19404240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 60585408

約数和(自身を除く): 41181168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 233, 240, 347, 466, 694, 699, 932, 1041, 1165, 1388, 1398, 1735, 1864, 2082, 2330, 2776, 2796, 3470, 3495, 3728, 4164, 4660, 5205, 5552, 5592, 6940, 6990, 8328, 9320, 10410, 11184, 13880, 13980, 16656, 18640, 20820, 27760, 27960, 41640, 55920, 80851, 83280, 161702, 242553, 323404, 404255, 485106, 646808, 808510, 970212, 1212765, 1293616, 1617020, 1940424, 2425530, 3234040, 3880848, 4851060, 6468080, 9702120, 19404240]

約数ペア:

[(1, 19404240), (2, 9702120), (3, 6468080), (4, 4851060), (5, 3880848), (6, 3234040), (8, 2425530), (10, 1940424), (12, 1617020), (15, 1293616), (16, 1212765), (20, 970212), (24, 808510), (30, 646808), (40, 485106), (48, 404255), (60, 323404), (80, 242553), (120, 161702), (233, 83280), (240, 80851), (347, 55920), (466, 41640), (694, 27960), (699, 27760), (932, 20820), (1041, 18640), (1165, 16656), (1388, 13980), (1398, 13880), (1735, 11184), (1864, 10410), (2082, 9320), (2330, 8328), (2776, 6990), (2796, 6940), (3470, 5592), (3495, 5552), (3728, 5205), (4164, 4660)]