19931265

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1743

約数の個数: 40

約数和(自身を含む): 36982440

約数和(自身を除く): 17051175

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1697, 2349, 3915, 5091, 8485, 11745, 15273, 25455, 45819, 49213, 76365, 137457, 147639, 229095, 246065, 442917, 687285, 738195, 1328751, 2214585, 3986253, 6643755, 19931265]

約数ペア:

[(1, 19931265), (3, 6643755), (5, 3986253), (9, 2214585), (15, 1328751), (27, 738195), (29, 687285), (45, 442917), (81, 246065), (87, 229095), (135, 147639), (145, 137457), (261, 76365), (405, 49213), (435, 45819), (783, 25455), (1305, 15273), (1697, 11745), (2349, 8485), (3915, 5091)]