19739300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 49538496

約数和(自身を除く): 29799196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 163, 173, 175, 326, 346, 350, 652, 692, 700, 815, 865, 1141, 1211, 1630, 1730, 2282, 2422, 3260, 3460, 4075, 4325, 4564, 4844, 5705, 6055, 8150, 8650, 11410, 12110, 16300, 17300, 22820, 24220, 28199, 28525, 30275, 56398, 57050, 60550, 112796, 114100, 121100, 140995, 197393, 281990, 394786, 563980, 704975, 789572, 986965, 1409950, 1973930, 2819900, 3947860, 4934825, 9869650, 19739300]

約数ペア:

[(1, 19739300), (2, 9869650), (4, 4934825), (5, 3947860), (7, 2819900), (10, 1973930), (14, 1409950), (20, 986965), (25, 789572), (28, 704975), (35, 563980), (50, 394786), (70, 281990), (100, 197393), (140, 140995), (163, 121100), (173, 114100), (175, 112796), (326, 60550), (346, 57050), (350, 56398), (652, 30275), (692, 28525), (700, 28199), (815, 24220), (865, 22820), (1141, 17300), (1211, 16300), (1630, 12110), (1730, 11410), (2282, 8650), (2422, 8150), (3260, 6055), (3460, 5705), (4075, 4844), (4325, 4564)]