19698840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7817}}^1$

素因数の和:7841

約数の個数: 96

約数和(自身を含む): 73176480

約数和(自身を除く): 53477640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7817, 15634, 23451, 31268, 39085, 46902, 54719, 62536, 70353, 78170, 93804, 109438, 117255, 140706, 156340, 164157, 187608, 218876, 234510, 273595, 281412, 312680, 328314, 351765, 437752, 469020, 492471, 547190, 562824, 656628, 703530, 820785, 938040, 984942, 1094380, 1313256, 1407060, 1641570, 1969884, 2188760, 2462355, 2814120, 3283140, 3939768, 4924710, 6566280, 9849420, 19698840]

約数ペア:

[(1, 19698840), (2, 9849420), (3, 6566280), (4, 4924710), (5, 3939768), (6, 3283140), (7, 2814120), (8, 2462355), (9, 2188760), (10, 1969884), (12, 1641570), (14, 1407060), (15, 1313256), (18, 1094380), (20, 984942), (21, 938040), (24, 820785), (28, 703530), (30, 656628), (35, 562824), (36, 547190), (40, 492471), (42, 469020), (45, 437752), (56, 351765), (60, 328314), (63, 312680), (70, 281412), (72, 273595), (84, 234510), (90, 218876), (105, 187608), (120, 164157), (126, 156340), (140, 140706), (168, 117255), (180, 109438), (210, 93804), (252, 78170), (280, 70353), (315, 62536), (360, 54719), (420, 46902), (504, 39085), (630, 31268), (840, 23451), (1260, 15634), (2520, 7817)]