20194174

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 72

約数和(自身を含む): 42029064

約数和(自身を除く): 21834890

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 121, 131, 143, 154, 182, 242, 262, 286, 539, 637, 847, 917, 1001, 1078, 1274, 1441, 1573, 1694, 1703, 1834, 2002, 2882, 3146, 3406, 5929, 6419, 7007, 10087, 11011, 11858, 11921, 12838, 14014, 15851, 18733, 20174, 22022, 23842, 31702, 37466, 70609, 77077, 83447, 110957, 131131, 141218, 154154, 166894, 206063, 221914, 262262, 412126, 776699, 917917, 1442441, 1553398, 1835834, 2884882, 10097087, 20194174]

約数ペア:

[(1, 20194174), (2, 10097087), (7, 2884882), (11, 1835834), (13, 1553398), (14, 1442441), (22, 917917), (26, 776699), (49, 412126), (77, 262262), (91, 221914), (98, 206063), (121, 166894), (131, 154154), (143, 141218), (154, 131131), (182, 110957), (242, 83447), (262, 77077), (286, 70609), (539, 37466), (637, 31702), (847, 23842), (917, 22022), (1001, 20174), (1078, 18733), (1274, 15851), (1441, 14014), (1573, 12838), (1694, 11921), (1703, 11858), (1834, 11011), (2002, 10087), (2882, 7007), (3146, 6419), (3406, 5929)]