12260890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 23742720

約数和(自身を除く): 11481830

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1373, 1786, 2746, 4465, 6865, 8930, 13730, 26087, 52174, 64531, 129062, 130435, 260870, 322655, 645310, 1226089, 2452178, 6130445, 12260890]

約数ペア:

[(1, 12260890), (2, 6130445), (5, 2452178), (10, 1226089), (19, 645310), (38, 322655), (47, 260870), (94, 130435), (95, 129062), (190, 64531), (235, 52174), (470, 26087), (893, 13730), (1373, 8930), (1786, 6865), (2746, 4465)]