18490920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22013}}^1$

素因数の和:22034

約数の個数: 64

約数和(自身を含む): 63400320

約数和(自身を除く): 44909400

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, 22013, 44026, 66039, 88052, 110065, 132078, 154091, 176104, 220130, 264156, 308182, 330195, 440260, 462273, 528312, 616364, 660390, 770455, 880520, 924546, 1232728, 1320780, 1540910, 1849092, 2311365, 2641560, 3081820, 3698184, 4622730, 6163640, 9245460, 18490920]

約数ペア:

[(1, 18490920), (2, 9245460), (3, 6163640), (4, 4622730), (5, 3698184), (6, 3081820), (7, 2641560), (8, 2311365), (10, 1849092), (12, 1540910), (14, 1320780), (15, 1232728), (20, 924546), (21, 880520), (24, 770455), (28, 660390), (30, 616364), (35, 528312), (40, 462273), (42, 440260), (56, 330195), (60, 308182), (70, 264156), (84, 220130), (105, 176104), (120, 154091), (140, 132078), (168, 110065), (210, 88052), (280, 66039), (420, 44026), (840, 22013)]