18893330

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 34928064

約数和(自身を除く): 16034734

約数列:

[1, 2, 5, 10, 67, 134, 163, 173, 326, 335, 346, 670, 815, 865, 1630, 1730, 10921, 11591, 21842, 23182, 28199, 54605, 56398, 57955, 109210, 115910, 140995, 281990, 1889333, 3778666, 9446665, 18893330]

約数ペア:

[(1, 18893330), (2, 9446665), (5, 3778666), (10, 1889333), (67, 281990), (134, 140995), (163, 115910), (173, 109210), (326, 57955), (335, 56398), (346, 54605), (670, 28199), (815, 23182), (865, 21842), (1630, 11591), (1730, 10921)]