18784430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1801}}^1$

素因数の和:1964

約数の個数: 32

約数和(自身を含む): 38923200

約数和(自身を除く): 20138770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 1801, 2086, 3602, 5215, 9005, 10430, 12607, 18010, 25214, 63035, 126070, 268349, 536698, 1341745, 1878443, 2683490, 3756886, 9392215, 18784430]

約数ペア:

[(1, 18784430), (2, 9392215), (5, 3756886), (7, 2683490), (10, 1878443), (14, 1341745), (35, 536698), (70, 268349), (149, 126070), (298, 63035), (745, 25214), (1043, 18010), (1490, 12607), (1801, 10430), (2086, 9005), (3602, 5215)]