19939965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 34456320

約数和(自身を除く): 14516355

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1993, 2001, 3335, 5979, 9965, 10005, 29895, 45839, 57797, 137517, 173391, 229195, 288985, 687585, 866955, 1329331, 3987993, 6646655, 19939965]

約数ペア:

[(1, 19939965), (3, 6646655), (5, 3987993), (15, 1329331), (23, 866955), (29, 687585), (69, 288985), (87, 229195), (115, 173391), (145, 137517), (345, 57797), (435, 45839), (667, 29895), (1993, 10005), (2001, 9965), (3335, 5979)]