19737650

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 38676096

約数和(自身を除く): 18938446

約数列:

[1, 2, 5, 10, 25, 37, 47, 50, 74, 94, 185, 227, 235, 370, 454, 470, 925, 1135, 1175, 1739, 1850, 2270, 2350, 3478, 5675, 8399, 8695, 10669, 11350, 16798, 17390, 21338, 41995, 43475, 53345, 83990, 86950, 106690, 209975, 266725, 394753, 419950, 533450, 789506, 1973765, 3947530, 9868825, 19737650]

約数ペア:

[(1, 19737650), (2, 9868825), (5, 3947530), (10, 1973765), (25, 789506), (37, 533450), (47, 419950), (50, 394753), (74, 266725), (94, 209975), (185, 106690), (227, 86950), (235, 83990), (370, 53345), (454, 43475), (470, 41995), (925, 21338), (1135, 17390), (1175, 16798), (1739, 11350), (1850, 10669), (2270, 8695), (2350, 8399), (3478, 5675)]