19843320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23623}}^1$

素因数の和:23644

約数の個数: 64

約数和(自身を含む): 68037120

約数和(自身を除く): 48193800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23623, 47246, 70869, 94492, 118115, 141738, 165361, 188984, 236230, 283476, 330722, 354345, 472460, 496083, 566952, 661444, 708690, 826805, 944920, 992166, 1322888, 1417380, 1653610, 1984332, 2480415, 2834760, 3307220, 3968664, 4960830, 6614440, 9921660, 19843320]

約数ペア:

[(1, 19843320), (2, 9921660), (3, 6614440), (4, 4960830), (5, 3968664), (6, 3307220), (7, 2834760), (8, 2480415), (10, 1984332), (12, 1653610), (14, 1417380), (15, 1322888), (20, 992166), (21, 944920), (24, 826805), (28, 708690), (30, 661444), (35, 566952), (40, 496083), (42, 472460), (56, 354345), (60, 330722), (70, 283476), (84, 236230), (105, 188984), (120, 165361), (140, 141738), (168, 118115), (210, 94492), (280, 70869), (420, 47246), (840, 23623)]