19005421864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{977243}}^1$

素因数の和:977290

約数の個数: 64

約数和(自身を含む): 44327787840

約数和(自身を除く): 25322365976

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2431, 4862, 9724, 19448, 977243, 1954486, 3908972, 7817944, 10749673, 12704159, 16613131, 21499346, 25408318, 33226262, 42998692, 50816636, 66452524, 85997384, 101633272, 132905048, 139745749, 182744441, 215970703, 279491498, 365488882, 431941406, 558982996, 730977764, 863882812, 1117965992, 1461955528, 1727765624, 2375677733, 4751355466, 9502710932, 19005421864]

約数ペア:

[(1, 19005421864), (2, 9502710932), (4, 4751355466), (8, 2375677733), (11, 1727765624), (13, 1461955528), (17, 1117965992), (22, 863882812), (26, 730977764), (34, 558982996), (44, 431941406), (52, 365488882), (68, 279491498), (88, 215970703), (104, 182744441), (136, 139745749), (143, 132905048), (187, 101633272), (221, 85997384), (286, 66452524), (374, 50816636), (442, 42998692), (572, 33226262), (748, 25408318), (884, 21499346), (1144, 16613131), (1496, 12704159), (1768, 10749673), (2431, 7817944), (4862, 3908972), (9724, 1954486), (19448, 977243)]