18936676920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22543663}}^1$

素因数の和:22543684

約数の個数: 64

約数和(自身を含む): 64925752320

約数和(自身を除く): 45989075400

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, 22543663, 45087326, 67630989, 90174652, 112718315, 135261978, 157805641, 180349304, 225436630, 270523956, 315611282, 338154945, 450873260, 473416923, 541047912, 631222564, 676309890, 789028205, 901746520, 946833846, 1262445128, 1352619780, 1578056410, 1893667692, 2367084615, 2705239560, 3156112820, 3787335384, 4734169230, 6312225640, 9468338460, 18936676920]

約数ペア:

[(1, 18936676920), (2, 9468338460), (3, 6312225640), (4, 4734169230), (5, 3787335384), (6, 3156112820), (7, 2705239560), (8, 2367084615), (10, 1893667692), (12, 1578056410), (14, 1352619780), (15, 1262445128), (20, 946833846), (21, 901746520), (24, 789028205), (28, 676309890), (30, 631222564), (35, 541047912), (40, 473416923), (42, 450873260), (56, 338154945), (60, 315611282), (70, 270523956), (84, 225436630), (105, 180349304), (120, 157805641), (140, 135261978), (168, 112718315), (210, 90174652), (280, 67630989), (420, 45087326), (840, 22543663)]