19752390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1493}}^1$

素因数の和:1523

約数の個数: 96

約数和(自身を含む): 61313760

約数和(自身を除く): 41561370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1493, 1890, 2205, 2646, 2986, 4410, 4479, 6615, 7465, 8958, 10451, 13230, 13437, 14930, 20902, 22395, 26874, 31353, 40311, 44790, 52255, 62706, 67185, 73157, 80622, 94059, 104510, 134370, 146314, 156765, 188118, 201555, 219471, 282177, 313530, 365785, 403110, 438942, 470295, 564354, 658413, 731570, 940590, 1097355, 1316826, 1410885, 1975239, 2194710, 2821770, 3292065, 3950478, 6584130, 9876195, 19752390]

約数ペア:

[(1, 19752390), (2, 9876195), (3, 6584130), (5, 3950478), (6, 3292065), (7, 2821770), (9, 2194710), (10, 1975239), (14, 1410885), (15, 1316826), (18, 1097355), (21, 940590), (27, 731570), (30, 658413), (35, 564354), (42, 470295), (45, 438942), (49, 403110), (54, 365785), (63, 313530), (70, 282177), (90, 219471), (98, 201555), (105, 188118), (126, 156765), (135, 146314), (147, 134370), (189, 104510), (210, 94059), (245, 80622), (270, 73157), (294, 67185), (315, 62706), (378, 52255), (441, 44790), (490, 40311), (630, 31353), (735, 26874), (882, 22395), (945, 20902), (1323, 14930), (1470, 13437), (1493, 13230), (1890, 10451), (2205, 8958), (2646, 7465), (2986, 6615), (4410, 4479)]