18967800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 59572080

約数和(自身を除く): 40604280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 101, 120, 150, 200, 202, 300, 303, 313, 404, 505, 600, 606, 626, 808, 939, 1010, 1212, 1252, 1515, 1565, 1878, 2020, 2424, 2504, 2525, 3030, 3130, 3756, 4040, 4695, 5050, 6060, 6260, 7512, 7575, 7825, 9390, 10100, 12120, 12520, 15150, 15650, 18780, 20200, 23475, 30300, 31300, 31613, 37560, 46950, 60600, 62600, 63226, 93900, 94839, 126452, 158065, 187800, 189678, 252904, 316130, 379356, 474195, 632260, 758712, 790325, 948390, 1264520, 1580650, 1896780, 2370975, 3161300, 3793560, 4741950, 6322600, 9483900, 18967800]

約数ペア:

[(1, 18967800), (2, 9483900), (3, 6322600), (4, 4741950), (5, 3793560), (6, 3161300), (8, 2370975), (10, 1896780), (12, 1580650), (15, 1264520), (20, 948390), (24, 790325), (25, 758712), (30, 632260), (40, 474195), (50, 379356), (60, 316130), (75, 252904), (100, 189678), (101, 187800), (120, 158065), (150, 126452), (200, 94839), (202, 93900), (300, 63226), (303, 62600), (313, 60600), (404, 46950), (505, 37560), (600, 31613), (606, 31300), (626, 30300), (808, 23475), (939, 20200), (1010, 18780), (1212, 15650), (1252, 15150), (1515, 12520), (1565, 12120), (1878, 10100), (2020, 9390), (2424, 7825), (2504, 7575), (2525, 7512), (3030, 6260), (3130, 6060), (3756, 5050), (4040, 4695)]