19657800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 67413840

約数和(自身を除く): 47756040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 67, 72, 75, 90, 100, 120, 134, 150, 163, 180, 200, 201, 225, 268, 300, 326, 335, 360, 402, 450, 489, 536, 600, 603, 652, 670, 804, 815, 900, 978, 1005, 1206, 1304, 1340, 1467, 1608, 1630, 1675, 1800, 1956, 2010, 2412, 2445, 2680, 2934, 3015, 3260, 3350, 3912, 4020, 4075, 4824, 4890, 5025, 5868, 6030, 6520, 6700, 7335, 8040, 8150, 9780, 10050, 10921, 11736, 12060, 12225, 13400, 14670, 15075, 16300, 19560, 20100, 21842, 24120, 24450, 29340, 30150, 32600, 32763, 36675, 40200, 43684, 48900, 54605, 58680, 60300, 65526, 73350, 87368, 97800, 98289, 109210, 120600, 131052, 146700, 163815, 196578, 218420, 262104, 273025, 293400, 327630, 393156, 436840, 491445, 546050, 655260, 786312, 819075, 982890, 1092100, 1310520, 1638150, 1965780, 2184200, 2457225, 3276300, 3931560, 4914450, 6552600, 9828900, 19657800]

約数ペア:

[(1, 19657800), (2, 9828900), (3, 6552600), (4, 4914450), (5, 3931560), (6, 3276300), (8, 2457225), (9, 2184200), (10, 1965780), (12, 1638150), (15, 1310520), (18, 1092100), (20, 982890), (24, 819075), (25, 786312), (30, 655260), (36, 546050), (40, 491445), (45, 436840), (50, 393156), (60, 327630), (67, 293400), (72, 273025), (75, 262104), (90, 218420), (100, 196578), (120, 163815), (134, 146700), (150, 131052), (163, 120600), (180, 109210), (200, 98289), (201, 97800), (225, 87368), (268, 73350), (300, 65526), (326, 60300), (335, 58680), (360, 54605), (402, 48900), (450, 43684), (489, 40200), (536, 36675), (600, 32763), (603, 32600), (652, 30150), (670, 29340), (804, 24450), (815, 24120), (900, 21842), (978, 20100), (1005, 19560), (1206, 16300), (1304, 15075), (1340, 14670), (1467, 13400), (1608, 12225), (1630, 12060), (1675, 11736), (1800, 10921), (1956, 10050), (2010, 9780), (2412, 8150), (2445, 8040), (2680, 7335), (2934, 6700), (3015, 6520), (3260, 6030), (3350, 5868), (3912, 5025), (4020, 4890), (4075, 4824)]