19717668

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3238

約数の個数: 60

約数和(自身を含む): 54275760

約数和(自身を除く): 34558092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3203, 6156, 6406, 9609, 12812, 19218, 28827, 38436, 57654, 60857, 86481, 115308, 121714, 172962, 182571, 243428, 259443, 345924, 365142, 518886, 547713, 730284, 1037772, 1095426, 1643139, 2190852, 3286278, 4929417, 6572556, 9858834, 19717668]

約数ペア:

[(1, 19717668), (2, 9858834), (3, 6572556), (4, 4929417), (6, 3286278), (9, 2190852), (12, 1643139), (18, 1095426), (19, 1037772), (27, 730284), (36, 547713), (38, 518886), (54, 365142), (57, 345924), (76, 259443), (81, 243428), (108, 182571), (114, 172962), (162, 121714), (171, 115308), (228, 86481), (324, 60857), (342, 57654), (513, 38436), (684, 28827), (1026, 19218), (1539, 12812), (2052, 9609), (3078, 6406), (3203, 6156)]