19766916

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:80

約数の個数: 135

約数和(自身を含む): 59055381

約数和(自身を除く): 39288465

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 169, 171, 228, 234, 247, 324, 338, 342, 351, 361, 468, 494, 507, 513, 676, 684, 702, 722, 741, 988, 1014, 1026, 1053, 1083, 1404, 1444, 1482, 1521, 1539, 2028, 2052, 2106, 2166, 2223, 2964, 3042, 3078, 3211, 3249, 4212, 4332, 4446, 4563, 4693, 6084, 6156, 6422, 6498, 6669, 8892, 9126, 9386, 9633, 9747, 12844, 12996, 13338, 13689, 14079, 18252, 18772, 19266, 19494, 20007, 26676, 27378, 28158, 28899, 29241, 38532, 38988, 40014, 42237, 54756, 56316, 57798, 58482, 61009, 80028, 84474, 86697, 115596, 116964, 122018, 126711, 168948, 173394, 183027, 244036, 253422, 260091, 346788, 366054, 380133, 506844, 520182, 549081, 732108, 760266, 1040364, 1098162, 1520532, 1647243, 2196324, 3294486, 4941729, 6588972, 9883458, 19766916]

約数ペア:

[(1, 19766916), (2, 9883458), (3, 6588972), (4, 4941729), (6, 3294486), (9, 2196324), (12, 1647243), (13, 1520532), (18, 1098162), (19, 1040364), (26, 760266), (27, 732108), (36, 549081), (38, 520182), (39, 506844), (52, 380133), (54, 366054), (57, 346788), (76, 260091), (78, 253422), (81, 244036), (108, 183027), (114, 173394), (117, 168948), (156, 126711), (162, 122018), (169, 116964), (171, 115596), (228, 86697), (234, 84474), (247, 80028), (324, 61009), (338, 58482), (342, 57798), (351, 56316), (361, 54756), (468, 42237), (494, 40014), (507, 38988), (513, 38532), (676, 29241), (684, 28899), (702, 28158), (722, 27378), (741, 26676), (988, 20007), (1014, 19494), (1026, 19266), (1053, 18772), (1083, 18252), (1404, 14079), (1444, 13689), (1482, 13338), (1521, 12996), (1539, 12844), (2028, 9747), (2052, 9633), (2106, 9386), (2166, 9126), (2223, 8892), (2964, 6669), (3042, 6498), (3078, 6422), (3211, 6156), (3249, 6084), (4212, 4693), (4332, 4563)]