19890570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{1933}}^1$

素因数の和:1964

約数の個数: 64

約数和(自身を含む): 55699200

約数和(自身を除く): 35808630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 1933, 2058, 3430, 3866, 5145, 5799, 9665, 10290, 11598, 13531, 19330, 27062, 28995, 40593, 57990, 67655, 81186, 94717, 135310, 189434, 202965, 284151, 405930, 473585, 568302, 663019, 947170, 1326038, 1420755, 1989057, 2841510, 3315095, 3978114, 6630190, 9945285, 19890570]

約数ペア:

[(1, 19890570), (2, 9945285), (3, 6630190), (5, 3978114), (6, 3315095), (7, 2841510), (10, 1989057), (14, 1420755), (15, 1326038), (21, 947170), (30, 663019), (35, 568302), (42, 473585), (49, 405930), (70, 284151), (98, 202965), (105, 189434), (147, 135310), (210, 94717), (245, 81186), (294, 67655), (343, 57990), (490, 40593), (686, 28995), (735, 27062), (1029, 19330), (1470, 13531), (1715, 11598), (1933, 10290), (2058, 9665), (3430, 5799), (3866, 5145)]