19103440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7703}}^1$

素因数の和:7747

約数の個数: 40

約数和(自身を含む): 45854208

約数和(自身を除く): 26750768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7703, 15406, 30812, 38515, 61624, 77030, 123248, 154060, 238793, 308120, 477586, 616240, 955172, 1193965, 1910344, 2387930, 3820688, 4775860, 9551720, 19103440]

約数ペア:

[(1, 19103440), (2, 9551720), (4, 4775860), (5, 3820688), (8, 2387930), (10, 1910344), (16, 1193965), (20, 955172), (31, 616240), (40, 477586), (62, 308120), (80, 238793), (124, 154060), (155, 123248), (248, 77030), (310, 61624), (496, 38515), (620, 30812), (1240, 15406), (2480, 7703)]