19418672

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13337}}^1$

素因数の和:13365

約数の個数: 40

約数和(自身を含む): 46309536

約数和(自身を除く): 26890864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13337, 26674, 53348, 93359, 106696, 173381, 186718, 213392, 346762, 373436, 693524, 746872, 1213667, 1387048, 1493744, 2427334, 2774096, 4854668, 9709336, 19418672]

約数ペア:

[(1, 19418672), (2, 9709336), (4, 4854668), (7, 2774096), (8, 2427334), (13, 1493744), (14, 1387048), (16, 1213667), (26, 746872), (28, 693524), (52, 373436), (56, 346762), (91, 213392), (104, 186718), (112, 173381), (182, 106696), (208, 93359), (364, 53348), (728, 26674), (1456, 13337)]