18445180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 42434784

約数和(自身を除く): 23989604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1163, 1220, 1586, 2326, 3172, 3965, 4652, 5815, 7930, 11630, 15119, 15860, 23260, 30238, 60476, 70943, 75595, 141886, 151190, 283772, 302380, 354715, 709430, 922259, 1418860, 1844518, 3689036, 4611295, 9222590, 18445180]

約数ペア:

[(1, 18445180), (2, 9222590), (4, 4611295), (5, 3689036), (10, 1844518), (13, 1418860), (20, 922259), (26, 709430), (52, 354715), (61, 302380), (65, 283772), (122, 151190), (130, 141886), (244, 75595), (260, 70943), (305, 60476), (610, 30238), (793, 23260), (1163, 15860), (1220, 15119), (1586, 11630), (2326, 7930), (3172, 5815), (3965, 4652)]