19631115

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 41081040

約数和(自身を除く): 21449925

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 307, 315, 435, 441, 609, 735, 921, 1015, 1305, 1421, 1535, 1827, 2149, 2205, 2763, 3045, 4263, 4605, 6447, 7105, 8903, 9135, 10745, 12789, 13815, 15043, 19341, 21315, 26709, 32235, 44515, 45129, 62321, 63945, 75215, 80127, 96705, 133545, 135387, 186963, 225645, 311605, 400635, 436247, 560889, 676935, 934815, 1308741, 2181235, 2804445, 3926223, 6543705, 19631115]

約数ペア:

[(1, 19631115), (3, 6543705), (5, 3926223), (7, 2804445), (9, 2181235), (15, 1308741), (21, 934815), (29, 676935), (35, 560889), (45, 436247), (49, 400635), (63, 311605), (87, 225645), (105, 186963), (145, 135387), (147, 133545), (203, 96705), (245, 80127), (261, 75215), (307, 63945), (315, 62321), (435, 45129), (441, 44515), (609, 32235), (735, 26709), (921, 21315), (1015, 19341), (1305, 15043), (1421, 13815), (1535, 12789), (1827, 10745), (2149, 9135), (2205, 8903), (2763, 7105), (3045, 6447), (4263, 4605)]