18353924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 17268796

約数列:

[1, 2, 4, 19, 37, 38, 61, 74, 76, 107, 122, 148, 214, 244, 428, 703, 1159, 1406, 2033, 2257, 2318, 2812, 3959, 4066, 4514, 4636, 6527, 7918, 8132, 9028, 13054, 15836, 26108, 42883, 75221, 85766, 124013, 150442, 171532, 241499, 248026, 300884, 482998, 496052, 965996, 4588481, 9176962, 18353924]

約数ペア:

[(1, 18353924), (2, 9176962), (4, 4588481), (19, 965996), (37, 496052), (38, 482998), (61, 300884), (74, 248026), (76, 241499), (107, 171532), (122, 150442), (148, 124013), (214, 85766), (244, 75221), (428, 42883), (703, 26108), (1159, 15836), (1406, 13054), (2033, 9028), (2257, 8132), (2318, 7918), (2812, 6527), (3959, 4636), (4066, 4514)]