19204730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 36869904

約数和(自身を除く): 17665174

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 653, 865, 1306, 1730, 2941, 3265, 5882, 6530, 11101, 14705, 22202, 29410, 55505, 111010, 112969, 225938, 564845, 1129690, 1920473, 3840946, 9602365, 19204730]

約数ペア:

[(1, 19204730), (2, 9602365), (5, 3840946), (10, 1920473), (17, 1129690), (34, 564845), (85, 225938), (170, 112969), (173, 111010), (346, 55505), (653, 29410), (865, 22202), (1306, 14705), (1730, 11101), (2941, 6530), (3265, 5882)]