18992940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13763}}^1$

素因数の和:13798

約数の個数: 48

約数和(自身を含む): 55496448

約数和(自身を除く): 36503508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13763, 27526, 41289, 55052, 68815, 82578, 137630, 165156, 206445, 275260, 316549, 412890, 633098, 825780, 949647, 1266196, 1582745, 1899294, 3165490, 3798588, 4748235, 6330980, 9496470, 18992940]

約数ペア:

[(1, 18992940), (2, 9496470), (3, 6330980), (4, 4748235), (5, 3798588), (6, 3165490), (10, 1899294), (12, 1582745), (15, 1266196), (20, 949647), (23, 825780), (30, 633098), (46, 412890), (60, 316549), (69, 275260), (92, 206445), (115, 165156), (138, 137630), (230, 82578), (276, 68815), (345, 55052), (460, 41289), (690, 27526), (1380, 13763)]