19613520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27241}}^1$

素因数の和:27260

約数の個数: 60

約数和(自身を含む): 65871156

約数和(自身を除く): 46257636

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27241, 54482, 81723, 108964, 136205, 163446, 217928, 245169, 272410, 326892, 408615, 435856, 490338, 544820, 653784, 817230, 980676, 1089640, 1225845, 1307568, 1634460, 1961352, 2179280, 2451690, 3268920, 3922704, 4903380, 6537840, 9806760, 19613520]

約数ペア:

[(1, 19613520), (2, 9806760), (3, 6537840), (4, 4903380), (5, 3922704), (6, 3268920), (8, 2451690), (9, 2179280), (10, 1961352), (12, 1634460), (15, 1307568), (16, 1225845), (18, 1089640), (20, 980676), (24, 817230), (30, 653784), (36, 544820), (40, 490338), (45, 435856), (48, 408615), (60, 326892), (72, 272410), (80, 245169), (90, 217928), (120, 163446), (144, 136205), (180, 108964), (240, 81723), (360, 54482), (720, 27241)]