18734080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3659}}^1$

素因数の和:3684

約数の個数: 44

約数和(自身を含む): 44952120

約数和(自身を除く): 26218040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3659, 5120, 7318, 14636, 18295, 29272, 36590, 58544, 73180, 117088, 146360, 234176, 292720, 468352, 585440, 936704, 1170880, 1873408, 2341760, 3746816, 4683520, 9367040, 18734080]

約数ペア:

[(1, 18734080), (2, 9367040), (4, 4683520), (5, 3746816), (8, 2341760), (10, 1873408), (16, 1170880), (20, 936704), (32, 585440), (40, 468352), (64, 292720), (80, 234176), (128, 146360), (160, 117088), (256, 73180), (320, 58544), (512, 36590), (640, 29272), (1024, 18295), (1280, 14636), (2560, 7318), (3659, 5120)]