19621764

素因数分解:

$2^2\times 3^7\times {\mathrm{2243}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 51522240

約数和(自身を除く): 31900476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2243, 2916, 4374, 4486, 6729, 8748, 8972, 13458, 20187, 26916, 40374, 60561, 80748, 121122, 181683, 242244, 363366, 545049, 726732, 1090098, 1635147, 2180196, 3270294, 4905441, 6540588, 9810882, 19621764]

約数ペア:

[(1, 19621764), (2, 9810882), (3, 6540588), (4, 4905441), (6, 3270294), (9, 2180196), (12, 1635147), (18, 1090098), (27, 726732), (36, 545049), (54, 363366), (81, 242244), (108, 181683), (162, 121122), (243, 80748), (324, 60561), (486, 40374), (729, 26916), (972, 20187), (1458, 13458), (2187, 8972), (2243, 8748), (2916, 6729), (4374, 4486)]