18736040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 45489600

約数和(自身を除く): 26753560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 467, 472, 590, 680, 934, 1003, 1180, 1868, 2006, 2335, 2360, 3736, 4012, 4670, 5015, 7939, 8024, 9340, 10030, 15878, 18680, 20060, 27553, 31756, 39695, 40120, 55106, 63512, 79390, 110212, 137765, 158780, 220424, 275530, 317560, 468401, 551060, 936802, 1102120, 1873604, 2342005, 3747208, 4684010, 9368020, 18736040]

約数ペア:

[(1, 18736040), (2, 9368020), (4, 4684010), (5, 3747208), (8, 2342005), (10, 1873604), (17, 1102120), (20, 936802), (34, 551060), (40, 468401), (59, 317560), (68, 275530), (85, 220424), (118, 158780), (136, 137765), (170, 110212), (236, 79390), (295, 63512), (340, 55106), (467, 40120), (472, 39695), (590, 31756), (680, 27553), (934, 20060), (1003, 18680), (1180, 15878), (1868, 10030), (2006, 9340), (2335, 8024), (2360, 7939), (3736, 5015), (4012, 4670)]