19858338

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 27143262

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 59, 69, 118, 138, 177, 207, 271, 354, 414, 531, 542, 621, 813, 1062, 1242, 1357, 1593, 1626, 2439, 2714, 3186, 4071, 4878, 6233, 7317, 8142, 12213, 12466, 14634, 15989, 18699, 24426, 31978, 36639, 37398, 47967, 56097, 73278, 95934, 112194, 143901, 168291, 287802, 336582, 367747, 431703, 735494, 863406, 1103241, 2206482, 3309723, 6619446, 9929169, 19858338]

約数ペア:

[(1, 19858338), (2, 9929169), (3, 6619446), (6, 3309723), (9, 2206482), (18, 1103241), (23, 863406), (27, 735494), (46, 431703), (54, 367747), (59, 336582), (69, 287802), (118, 168291), (138, 143901), (177, 112194), (207, 95934), (271, 73278), (354, 56097), (414, 47967), (531, 37398), (542, 36639), (621, 31978), (813, 24426), (1062, 18699), (1242, 15989), (1357, 14634), (1593, 12466), (1626, 12213), (2439, 8142), (2714, 7317), (3186, 6233), (4071, 4878)]