19426645

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 8958635

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 223, 655, 665, 917, 1115, 1561, 2489, 4237, 4585, 7805, 12445, 17423, 21185, 29213, 29659, 87115, 146065, 148295, 204491, 555047, 1022455, 2775235, 3885329, 19426645]

約数ペア:

[(1, 19426645), (5, 3885329), (7, 2775235), (19, 1022455), (35, 555047), (95, 204491), (131, 148295), (133, 146065), (223, 87115), (655, 29659), (665, 29213), (917, 21185), (1115, 17423), (1561, 12445), (2489, 7805), (4237, 4585)]