18942364

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 39639040

約数和(自身を除く): 20696676

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 139, 157, 217, 278, 314, 434, 556, 628, 868, 973, 1099, 1946, 2198, 3892, 4309, 4396, 4867, 8618, 9734, 17236, 19468, 21823, 30163, 34069, 43646, 60326, 68138, 87292, 120652, 136276, 152761, 305522, 611044, 676513, 1353026, 2706052, 4735591, 9471182, 18942364]

約数ペア:

[(1, 18942364), (2, 9471182), (4, 4735591), (7, 2706052), (14, 1353026), (28, 676513), (31, 611044), (62, 305522), (124, 152761), (139, 136276), (157, 120652), (217, 87292), (278, 68138), (314, 60326), (434, 43646), (556, 34069), (628, 30163), (868, 21823), (973, 19468), (1099, 17236), (1946, 9734), (2198, 8618), (3892, 4867), (4309, 4396)]