18807117

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11836083

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 379, 417, 973, 1137, 2363, 2653, 2919, 6443, 7089, 7959, 16541, 19329, 45101, 49623, 52681, 135303, 158043, 368767, 895577, 1106301, 2686731, 6269039, 18807117]

約数ペア:

[(1, 18807117), (3, 6269039), (7, 2686731), (17, 1106301), (21, 895577), (51, 368767), (119, 158043), (139, 135303), (357, 52681), (379, 49623), (417, 45101), (973, 19329), (1137, 16541), (2363, 7959), (2653, 7089), (2919, 6443)]