19787670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 60091200

約数和(自身を除く): 40303530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 630, 641, 686, 735, 882, 1029, 1282, 1470, 1715, 1923, 2058, 2205, 3087, 3205, 3430, 3846, 4410, 4487, 5145, 5769, 6174, 6410, 8974, 9615, 10290, 11538, 13461, 15435, 19230, 22435, 26922, 28845, 30870, 31409, 40383, 44870, 57690, 62818, 67305, 80766, 94227, 134610, 157045, 188454, 201915, 219863, 282681, 314090, 403830, 439726, 471135, 565362, 659589, 942270, 1099315, 1319178, 1413405, 1978767, 2198630, 2826810, 3297945, 3957534, 6595890, 9893835, 19787670]

約数ペア:

[(1, 19787670), (2, 9893835), (3, 6595890), (5, 3957534), (6, 3297945), (7, 2826810), (9, 2198630), (10, 1978767), (14, 1413405), (15, 1319178), (18, 1099315), (21, 942270), (30, 659589), (35, 565362), (42, 471135), (45, 439726), (49, 403830), (63, 314090), (70, 282681), (90, 219863), (98, 201915), (105, 188454), (126, 157045), (147, 134610), (210, 94227), (245, 80766), (294, 67305), (315, 62818), (343, 57690), (441, 44870), (490, 40383), (630, 31409), (641, 30870), (686, 28845), (735, 26922), (882, 22435), (1029, 19230), (1282, 15435), (1470, 13461), (1715, 11538), (1923, 10290), (2058, 9615), (2205, 8974), (3087, 6410), (3205, 6174), (3430, 5769), (3846, 5145), (4410, 4487)]