18019950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9241}}^1$

素因数の和:9269

約数の個数: 48

約数和(自身を含む): 48132336

約数和(自身を除く): 30112386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9241, 18482, 27723, 46205, 55446, 92410, 120133, 138615, 231025, 240266, 277230, 360399, 462050, 600665, 693075, 720798, 1201330, 1386150, 1801995, 3003325, 3603990, 6006650, 9009975, 18019950]

約数ペア:

[(1, 18019950), (2, 9009975), (3, 6006650), (5, 3603990), (6, 3003325), (10, 1801995), (13, 1386150), (15, 1201330), (25, 720798), (26, 693075), (30, 600665), (39, 462050), (50, 360399), (65, 277230), (75, 240266), (78, 231025), (130, 138615), (150, 120133), (195, 92410), (325, 55446), (390, 46205), (650, 27723), (975, 18482), (1950, 9241)]