19520790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1541

約数の個数: 64

約数和(自身を含む): 51494400

約数和(自身を除く): 31973610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 1489, 2185, 2622, 2978, 4370, 4467, 6555, 7445, 8934, 13110, 14890, 22335, 28291, 34247, 44670, 56582, 68494, 84873, 102741, 141455, 169746, 171235, 205482, 282910, 342470, 424365, 513705, 650693, 848730, 1027410, 1301386, 1952079, 3253465, 3904158, 6506930, 9760395, 19520790]

約数ペア:

[(1, 19520790), (2, 9760395), (3, 6506930), (5, 3904158), (6, 3253465), (10, 1952079), (15, 1301386), (19, 1027410), (23, 848730), (30, 650693), (38, 513705), (46, 424365), (57, 342470), (69, 282910), (95, 205482), (114, 171235), (115, 169746), (138, 141455), (190, 102741), (230, 84873), (285, 68494), (345, 56582), (437, 44670), (570, 34247), (690, 28291), (874, 22335), (1311, 14890), (1489, 13110), (2185, 8934), (2622, 7445), (2978, 6555), (4370, 4467)]