19900710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13007}}^1$

素因数の和:13037

約数の個数: 48

約数和(自身を含む): 54789696

約数和(自身を除く): 34888986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13007, 26014, 39021, 65035, 78042, 117063, 130070, 195105, 221119, 234126, 390210, 442238, 585315, 663357, 1105595, 1170630, 1326714, 1990071, 2211190, 3316785, 3980142, 6633570, 9950355, 19900710]

約数ペア:

[(1, 19900710), (2, 9950355), (3, 6633570), (5, 3980142), (6, 3316785), (9, 2211190), (10, 1990071), (15, 1326714), (17, 1170630), (18, 1105595), (30, 663357), (34, 585315), (45, 442238), (51, 390210), (85, 234126), (90, 221119), (102, 195105), (153, 130070), (170, 117063), (255, 78042), (306, 65035), (510, 39021), (765, 26014), (1530, 13007)]