19472960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 51889152

約数和(自身を除く): 32416192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 151, 155, 160, 208, 248, 260, 302, 310, 320, 403, 416, 496, 520, 604, 620, 755, 806, 832, 992, 1040, 1208, 1240, 1510, 1612, 1963, 1984, 2015, 2080, 2416, 2480, 3020, 3224, 3926, 4030, 4160, 4681, 4832, 4960, 6040, 6448, 7852, 8060, 9362, 9664, 9815, 9920, 12080, 12896, 15704, 16120, 18724, 19630, 23405, 24160, 25792, 31408, 32240, 37448, 39260, 46810, 48320, 60853, 62816, 64480, 74896, 78520, 93620, 121706, 125632, 128960, 149792, 157040, 187240, 243412, 299584, 304265, 314080, 374480, 486824, 608530, 628160, 748960, 973648, 1217060, 1497920, 1947296, 2434120, 3894592, 4868240, 9736480, 19472960]

約数ペア:

[(1, 19472960), (2, 9736480), (4, 4868240), (5, 3894592), (8, 2434120), (10, 1947296), (13, 1497920), (16, 1217060), (20, 973648), (26, 748960), (31, 628160), (32, 608530), (40, 486824), (52, 374480), (62, 314080), (64, 304265), (65, 299584), (80, 243412), (104, 187240), (124, 157040), (130, 149792), (151, 128960), (155, 125632), (160, 121706), (208, 93620), (248, 78520), (260, 74896), (302, 64480), (310, 62816), (320, 60853), (403, 48320), (416, 46810), (496, 39260), (520, 37448), (604, 32240), (620, 31408), (755, 25792), (806, 24160), (832, 23405), (992, 19630), (1040, 18724), (1208, 16120), (1240, 15704), (1510, 12896), (1612, 12080), (1963, 9920), (1984, 9815), (2015, 9664), (2080, 9362), (2416, 8060), (2480, 7852), (3020, 6448), (3224, 6040), (3926, 4960), (4030, 4832), (4160, 4681)]