17917874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 32260032

約数和(自身を除く): 14342158

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 83, 166, 247, 299, 361, 437, 494, 598, 722, 874, 1079, 1577, 1909, 2158, 3154, 3818, 4693, 5681, 8303, 9386, 11362, 16606, 20501, 24817, 29963, 36271, 41002, 49634, 59926, 72542, 107939, 215878, 389519, 471523, 689149, 779038, 943046, 1378298, 8958937, 17917874]

約数ペア:

[(1, 17917874), (2, 8958937), (13, 1378298), (19, 943046), (23, 779038), (26, 689149), (38, 471523), (46, 389519), (83, 215878), (166, 107939), (247, 72542), (299, 59926), (361, 49634), (437, 41002), (494, 36271), (598, 29963), (722, 24817), (874, 20501), (1079, 16606), (1577, 11362), (1909, 9386), (2158, 8303), (3154, 5681), (3818, 4693)]