19487142

素因数分解:

$2^1\times 3^5\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 44330832

約数和(自身を除く): 24843690

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 243, 303, 397, 486, 606, 794, 909, 1191, 1818, 2382, 2727, 3573, 5454, 7146, 8181, 10719, 16362, 21438, 24543, 32157, 40097, 49086, 64314, 80194, 96471, 120291, 192942, 240582, 360873, 721746, 1082619, 2165238, 3247857, 6495714, 9743571, 19487142]

約数ペア:

[(1, 19487142), (2, 9743571), (3, 6495714), (6, 3247857), (9, 2165238), (18, 1082619), (27, 721746), (54, 360873), (81, 240582), (101, 192942), (162, 120291), (202, 96471), (243, 80194), (303, 64314), (397, 49086), (486, 40097), (606, 32157), (794, 24543), (909, 21438), (1191, 16362), (1818, 10719), (2382, 8181), (2727, 7146), (3573, 5454)]