19925430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 35094090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 239, 397, 478, 717, 794, 1191, 1195, 1434, 1673, 1985, 2382, 2390, 2779, 3346, 3585, 3970, 5019, 5558, 5955, 7170, 8337, 8365, 10038, 11910, 13895, 16674, 16730, 25095, 27790, 41685, 50190, 83370, 94883, 189766, 284649, 474415, 569298, 664181, 948830, 1328362, 1423245, 1992543, 2846490, 3320905, 3985086, 6641810, 9962715, 19925430]

約数ペア:

[(1, 19925430), (2, 9962715), (3, 6641810), (5, 3985086), (6, 3320905), (7, 2846490), (10, 1992543), (14, 1423245), (15, 1328362), (21, 948830), (30, 664181), (35, 569298), (42, 474415), (70, 284649), (105, 189766), (210, 94883), (239, 83370), (397, 50190), (478, 41685), (717, 27790), (794, 25095), (1191, 16730), (1195, 16674), (1434, 13895), (1673, 11910), (1985, 10038), (2382, 8365), (2390, 8337), (2779, 7170), (3346, 5955), (3585, 5558), (3970, 5019)]