18737520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 58737312

約数和(自身を除く): 39999792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 773, 808, 1010, 1212, 1515, 1546, 1616, 2020, 2319, 2424, 3030, 3092, 3865, 4040, 4638, 4848, 6060, 6184, 7730, 8080, 9276, 11595, 12120, 12368, 15460, 18552, 23190, 24240, 30920, 37104, 46380, 61840, 78073, 92760, 156146, 185520, 234219, 312292, 390365, 468438, 624584, 780730, 936876, 1171095, 1249168, 1561460, 1873752, 2342190, 3122920, 3747504, 4684380, 6245840, 9368760, 18737520]

約数ペア:

[(1, 18737520), (2, 9368760), (3, 6245840), (4, 4684380), (5, 3747504), (6, 3122920), (8, 2342190), (10, 1873752), (12, 1561460), (15, 1249168), (16, 1171095), (20, 936876), (24, 780730), (30, 624584), (40, 468438), (48, 390365), (60, 312292), (80, 234219), (101, 185520), (120, 156146), (202, 92760), (240, 78073), (303, 61840), (404, 46380), (505, 37104), (606, 30920), (773, 24240), (808, 23190), (1010, 18552), (1212, 15460), (1515, 12368), (1546, 12120), (1616, 11595), (2020, 9276), (2319, 8080), (2424, 7730), (3030, 6184), (3092, 6060), (3865, 4848), (4040, 4638)]