18948690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1217}}^1$

素因数の和:1403

約数の個数: 48

約数和(自身を含む): 49592088

約数和(自身を除く): 30643398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1217, 1557, 1730, 2434, 2595, 3114, 3651, 5190, 6085, 7302, 7785, 10953, 12170, 15570, 18255, 21906, 36510, 54765, 109530, 210541, 421082, 631623, 1052705, 1263246, 1894869, 2105410, 3158115, 3789738, 6316230, 9474345, 18948690]

約数ペア:

[(1, 18948690), (2, 9474345), (3, 6316230), (5, 3789738), (6, 3158115), (9, 2105410), (10, 1894869), (15, 1263246), (18, 1052705), (30, 631623), (45, 421082), (90, 210541), (173, 109530), (346, 54765), (519, 36510), (865, 21906), (1038, 18255), (1217, 15570), (1557, 12170), (1730, 10953), (2434, 7785), (2595, 7302), (3114, 6085), (3651, 5190)]