19450480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 52853760

約数和(自身を除く): 33403280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 739, 752, 940, 1316, 1478, 1645, 1880, 2632, 2956, 3290, 3695, 3760, 5173, 5264, 5912, 6580, 7390, 10346, 11824, 13160, 14780, 20692, 25865, 26320, 29560, 34733, 41384, 51730, 59120, 69466, 82768, 103460, 138932, 173665, 206920, 243131, 277864, 347330, 413840, 486262, 555728, 694660, 972524, 1215655, 1389320, 1945048, 2431310, 2778640, 3890096, 4862620, 9725240, 19450480]

約数ペア:

[(1, 19450480), (2, 9725240), (4, 4862620), (5, 3890096), (7, 2778640), (8, 2431310), (10, 1945048), (14, 1389320), (16, 1215655), (20, 972524), (28, 694660), (35, 555728), (40, 486262), (47, 413840), (56, 347330), (70, 277864), (80, 243131), (94, 206920), (112, 173665), (140, 138932), (188, 103460), (235, 82768), (280, 69466), (329, 59120), (376, 51730), (470, 41384), (560, 34733), (658, 29560), (739, 26320), (752, 25865), (940, 20692), (1316, 14780), (1478, 13160), (1645, 11824), (1880, 10346), (2632, 7390), (2956, 6580), (3290, 5912), (3695, 5264), (3760, 5173)]