18159204

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 49986720

約数和(自身を除く): 31827516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 89, 98, 147, 178, 196, 267, 294, 347, 356, 534, 588, 623, 694, 1041, 1068, 1246, 1388, 1869, 2082, 2429, 2492, 3738, 4164, 4361, 4858, 7287, 7476, 8722, 9716, 13083, 14574, 17003, 17444, 26166, 29148, 30883, 34006, 51009, 52332, 61766, 68012, 92649, 102018, 123532, 185298, 204036, 216181, 370596, 432362, 648543, 864724, 1297086, 1513267, 2594172, 3026534, 4539801, 6053068, 9079602, 18159204]

約数ペア:

[(1, 18159204), (2, 9079602), (3, 6053068), (4, 4539801), (6, 3026534), (7, 2594172), (12, 1513267), (14, 1297086), (21, 864724), (28, 648543), (42, 432362), (49, 370596), (84, 216181), (89, 204036), (98, 185298), (147, 123532), (178, 102018), (196, 92649), (267, 68012), (294, 61766), (347, 52332), (356, 51009), (534, 34006), (588, 30883), (623, 29148), (694, 26166), (1041, 17444), (1068, 17003), (1246, 14574), (1388, 13083), (1869, 9716), (2082, 8722), (2429, 7476), (2492, 7287), (3738, 4858), (4164, 4361)]