18782070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 48142080

約数和(自身を除く): 29360010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 83, 95, 114, 166, 190, 249, 285, 397, 415, 498, 570, 794, 830, 1191, 1245, 1577, 1985, 2382, 2490, 3154, 3970, 4731, 5955, 7543, 7885, 9462, 11910, 15086, 15770, 22629, 23655, 32951, 37715, 45258, 47310, 65902, 75430, 98853, 113145, 164755, 197706, 226290, 329510, 494265, 626069, 988530, 1252138, 1878207, 3130345, 3756414, 6260690, 9391035, 18782070]

約数ペア:

[(1, 18782070), (2, 9391035), (3, 6260690), (5, 3756414), (6, 3130345), (10, 1878207), (15, 1252138), (19, 988530), (30, 626069), (38, 494265), (57, 329510), (83, 226290), (95, 197706), (114, 164755), (166, 113145), (190, 98853), (249, 75430), (285, 65902), (397, 47310), (415, 45258), (498, 37715), (570, 32951), (794, 23655), (830, 22629), (1191, 15770), (1245, 15086), (1577, 11910), (1985, 9462), (2382, 7885), (2490, 7543), (3154, 5955), (3970, 4731)]