19998630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4357}}^1$

素因数の和:4390

約数の個数: 64

約数和(自身を含む): 56479680

約数和(自身を除く): 36481050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4357, 4590, 8714, 13071, 21785, 26142, 39213, 43570, 65355, 74069, 78426, 117639, 130710, 148138, 196065, 222207, 235278, 370345, 392130, 444414, 588195, 666621, 740690, 1111035, 1176390, 1333242, 1999863, 2222070, 3333105, 3999726, 6666210, 9999315, 19998630]

約数ペア:

[(1, 19998630), (2, 9999315), (3, 6666210), (5, 3999726), (6, 3333105), (9, 2222070), (10, 1999863), (15, 1333242), (17, 1176390), (18, 1111035), (27, 740690), (30, 666621), (34, 588195), (45, 444414), (51, 392130), (54, 370345), (85, 235278), (90, 222207), (102, 196065), (135, 148138), (153, 130710), (170, 117639), (255, 78426), (270, 74069), (306, 65355), (459, 43570), (510, 39213), (765, 26142), (918, 21785), (1530, 13071), (2295, 8714), (4357, 4590)]