19115775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 40042080

約数和(自身を除く): 20926305

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 53, 63, 75, 105, 159, 175, 225, 229, 265, 315, 371, 477, 525, 687, 795, 1113, 1145, 1325, 1575, 1603, 1855, 2061, 2385, 3339, 3435, 3975, 4809, 5565, 5725, 8015, 9275, 10305, 11925, 12137, 14427, 16695, 17175, 24045, 27825, 36411, 40075, 51525, 60685, 72135, 83475, 84959, 109233, 120225, 182055, 254877, 303425, 360675, 424795, 546165, 764631, 910275, 1274385, 2123975, 2730825, 3823155, 6371925, 19115775]

約数ペア:

[(1, 19115775), (3, 6371925), (5, 3823155), (7, 2730825), (9, 2123975), (15, 1274385), (21, 910275), (25, 764631), (35, 546165), (45, 424795), (53, 360675), (63, 303425), (75, 254877), (105, 182055), (159, 120225), (175, 109233), (225, 84959), (229, 83475), (265, 72135), (315, 60685), (371, 51525), (477, 40075), (525, 36411), (687, 27825), (795, 24045), (1113, 17175), (1145, 16695), (1325, 14427), (1575, 12137), (1603, 11925), (1855, 10305), (2061, 9275), (2385, 8015), (3339, 5725), (3435, 5565), (3975, 4809)]