19012140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 67092480

約数和(自身を除く): 48080340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 191, 210, 237, 252, 315, 316, 382, 395, 420, 474, 553, 573, 630, 711, 764, 790, 948, 955, 1106, 1146, 1185, 1260, 1337, 1422, 1580, 1659, 1719, 1910, 2212, 2292, 2370, 2674, 2765, 2844, 2865, 3318, 3438, 3555, 3820, 4011, 4740, 4977, 5348, 5530, 5730, 6636, 6685, 6876, 7110, 8022, 8295, 8595, 9954, 11060, 11460, 12033, 13370, 14220, 15089, 16044, 16590, 17190, 19908, 20055, 24066, 24885, 26740, 30178, 33180, 34380, 40110, 45267, 48132, 49770, 60165, 60356, 75445, 80220, 90534, 99540, 105623, 120330, 135801, 150890, 181068, 211246, 226335, 240660, 271602, 301780, 316869, 422492, 452670, 528115, 543204, 633738, 679005, 905340, 950607, 1056230, 1267476, 1358010, 1584345, 1901214, 2112460, 2716020, 3168690, 3802428, 4753035, 6337380, 9506070, 19012140]

約数ペア:

[(1, 19012140), (2, 9506070), (3, 6337380), (4, 4753035), (5, 3802428), (6, 3168690), (7, 2716020), (9, 2112460), (10, 1901214), (12, 1584345), (14, 1358010), (15, 1267476), (18, 1056230), (20, 950607), (21, 905340), (28, 679005), (30, 633738), (35, 543204), (36, 528115), (42, 452670), (45, 422492), (60, 316869), (63, 301780), (70, 271602), (79, 240660), (84, 226335), (90, 211246), (105, 181068), (126, 150890), (140, 135801), (158, 120330), (180, 105623), (191, 99540), (210, 90534), (237, 80220), (252, 75445), (315, 60356), (316, 60165), (382, 49770), (395, 48132), (420, 45267), (474, 40110), (553, 34380), (573, 33180), (630, 30178), (711, 26740), (764, 24885), (790, 24066), (948, 20055), (955, 19908), (1106, 17190), (1146, 16590), (1185, 16044), (1260, 15089), (1337, 14220), (1422, 13370), (1580, 12033), (1659, 11460), (1719, 11060), (1910, 9954), (2212, 8595), (2292, 8295), (2370, 8022), (2674, 7110), (2765, 6876), (2844, 6685), (2865, 6636), (3318, 5730), (3438, 5530), (3555, 5348), (3820, 4977), (4011, 4740)]