19842120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55117}}^1$

素因数の和:55134

約数の個数: 48

約数和(自身を含む): 64488060

約数和(自身を除く): 44645940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55117, 110234, 165351, 220468, 275585, 330702, 440936, 496053, 551170, 661404, 826755, 992106, 1102340, 1322808, 1653510, 1984212, 2204680, 2480265, 3307020, 3968424, 4960530, 6614040, 9921060, 19842120]

約数ペア:

[(1, 19842120), (2, 9921060), (3, 6614040), (4, 4960530), (5, 3968424), (6, 3307020), (8, 2480265), (9, 2204680), (10, 1984212), (12, 1653510), (15, 1322808), (18, 1102340), (20, 992106), (24, 826755), (30, 661404), (36, 551170), (40, 496053), (45, 440936), (60, 330702), (72, 275585), (90, 220468), (120, 165351), (180, 110234), (360, 55117)]