19683140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23862460

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 599, 620, 1060, 1198, 1643, 2396, 2995, 3286, 5990, 6572, 8215, 11980, 16430, 18569, 31747, 32860, 37138, 63494, 74276, 92845, 126988, 158735, 185690, 317470, 371380, 634940, 984157, 1968314, 3936628, 4920785, 9841570, 19683140]

約数ペア:

[(1, 19683140), (2, 9841570), (4, 4920785), (5, 3936628), (10, 1968314), (20, 984157), (31, 634940), (53, 371380), (62, 317470), (106, 185690), (124, 158735), (155, 126988), (212, 92845), (265, 74276), (310, 63494), (530, 37138), (599, 32860), (620, 31747), (1060, 18569), (1198, 16430), (1643, 11980), (2396, 8215), (2995, 6572), (3286, 5990)]