18641300

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1423}}^1$

素因数の和:1568

約数の個数: 36

約数和(自身を含む): 40789056

約数和(自身を除く): 22147756

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 1423, 2620, 2846, 3275, 5692, 6550, 7115, 13100, 14230, 28460, 35575, 71150, 142300, 186413, 372826, 745652, 932065, 1864130, 3728260, 4660325, 9320650, 18641300]

約数ペア:

[(1, 18641300), (2, 9320650), (4, 4660325), (5, 3728260), (10, 1864130), (20, 932065), (25, 745652), (50, 372826), (100, 186413), (131, 142300), (262, 71150), (524, 35575), (655, 28460), (1310, 14230), (1423, 13100), (2620, 7115), (2846, 6550), (3275, 5692)]