19383440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3067}}^1$

素因数の和:3159

約数の個数: 40

約数和(自身を含む): 45651840

約数和(自身を除く): 26268400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3067, 3160, 6134, 6320, 12268, 15335, 24536, 30670, 49072, 61340, 122680, 242293, 245360, 484586, 969172, 1211465, 1938344, 2422930, 3876688, 4845860, 9691720, 19383440]

約数ペア:

[(1, 19383440), (2, 9691720), (4, 4845860), (5, 3876688), (8, 2422930), (10, 1938344), (16, 1211465), (20, 969172), (40, 484586), (79, 245360), (80, 242293), (158, 122680), (316, 61340), (395, 49072), (632, 30670), (790, 24536), (1264, 15335), (1580, 12268), (3067, 6320), (3160, 6134)]