19978350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 37875090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 53, 70, 75, 105, 106, 150, 159, 175, 210, 265, 318, 350, 359, 371, 525, 530, 718, 742, 795, 1050, 1077, 1113, 1325, 1590, 1795, 1855, 2154, 2226, 2513, 2650, 3590, 3710, 3975, 5026, 5385, 5565, 7539, 7950, 8975, 9275, 10770, 11130, 12565, 15078, 17950, 18550, 19027, 25130, 26925, 27825, 37695, 38054, 53850, 55650, 57081, 62825, 75390, 95135, 114162, 125650, 133189, 188475, 190270, 266378, 285405, 376950, 399567, 475675, 570810, 665945, 799134, 951350, 1331890, 1427025, 1997835, 2854050, 3329725, 3995670, 6659450, 9989175, 19978350]

約数ペア:

[(1, 19978350), (2, 9989175), (3, 6659450), (5, 3995670), (6, 3329725), (7, 2854050), (10, 1997835), (14, 1427025), (15, 1331890), (21, 951350), (25, 799134), (30, 665945), (35, 570810), (42, 475675), (50, 399567), (53, 376950), (70, 285405), (75, 266378), (105, 190270), (106, 188475), (150, 133189), (159, 125650), (175, 114162), (210, 95135), (265, 75390), (318, 62825), (350, 57081), (359, 55650), (371, 53850), (525, 38054), (530, 37695), (718, 27825), (742, 26925), (795, 25130), (1050, 19027), (1077, 18550), (1113, 17950), (1325, 15078), (1590, 12565), (1795, 11130), (1855, 10770), (2154, 9275), (2226, 8975), (2513, 7950), (2650, 7539), (3590, 5565), (3710, 5385), (3975, 5026)]