18657730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 43953840

約数和(自身を除く): 25296110

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 49, 58, 65, 70, 91, 98, 101, 130, 145, 182, 202, 203, 245, 290, 377, 406, 455, 490, 505, 637, 707, 754, 910, 1010, 1015, 1274, 1313, 1414, 1421, 1885, 2030, 2626, 2639, 2842, 2929, 3185, 3535, 3770, 4949, 5278, 5858, 6370, 6565, 7070, 7105, 9191, 9898, 13130, 13195, 14210, 14645, 18382, 18473, 20503, 24745, 26390, 29290, 36946, 38077, 41006, 45955, 49490, 64337, 76154, 91910, 92365, 102515, 128674, 143521, 184730, 190385, 205030, 266539, 287042, 321685, 380770, 533078, 643370, 717605, 1332695, 1435210, 1865773, 2665390, 3731546, 9328865, 18657730]

約数ペア:

[(1, 18657730), (2, 9328865), (5, 3731546), (7, 2665390), (10, 1865773), (13, 1435210), (14, 1332695), (26, 717605), (29, 643370), (35, 533078), (49, 380770), (58, 321685), (65, 287042), (70, 266539), (91, 205030), (98, 190385), (101, 184730), (130, 143521), (145, 128674), (182, 102515), (202, 92365), (203, 91910), (245, 76154), (290, 64337), (377, 49490), (406, 45955), (455, 41006), (490, 38077), (505, 36946), (637, 29290), (707, 26390), (754, 24745), (910, 20503), (1010, 18473), (1015, 18382), (1274, 14645), (1313, 14210), (1414, 13195), (1421, 13130), (1885, 9898), (2030, 9191), (2626, 7105), (2639, 7070), (2842, 6565), (2929, 6370), (3185, 5858), (3535, 5278), (3770, 4949)]