19453230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 52430400

約数和(自身を除く): 32977170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 109, 135, 218, 270, 327, 545, 654, 661, 981, 1090, 1322, 1635, 1962, 1983, 2943, 3270, 3305, 3966, 4905, 5886, 5949, 6610, 9810, 9915, 11898, 14715, 17847, 19830, 29430, 29745, 35694, 59490, 72049, 89235, 144098, 178470, 216147, 360245, 432294, 648441, 720490, 1080735, 1296882, 1945323, 2161470, 3242205, 3890646, 6484410, 9726615, 19453230]

約数ペア:

[(1, 19453230), (2, 9726615), (3, 6484410), (5, 3890646), (6, 3242205), (9, 2161470), (10, 1945323), (15, 1296882), (18, 1080735), (27, 720490), (30, 648441), (45, 432294), (54, 360245), (90, 216147), (109, 178470), (135, 144098), (218, 89235), (270, 72049), (327, 59490), (545, 35694), (654, 29745), (661, 29430), (981, 19830), (1090, 17847), (1322, 14715), (1635, 11898), (1962, 9915), (1983, 9810), (2943, 6610), (3270, 5949), (3305, 5886), (3966, 4905)]