2018801770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1511}}^1$

素因数の和:1735

約数の個数: 64

約数和(自身を含む): 3921716736

約数和(自身を除く): 1902914966

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 157, 185, 230, 314, 370, 785, 851, 1511, 1570, 1702, 3022, 3611, 4255, 5809, 7222, 7555, 8510, 11618, 15110, 18055, 29045, 34753, 36110, 55907, 58090, 69506, 111814, 133607, 173765, 237227, 267214, 279535, 347530, 474454, 559070, 668035, 1186135, 1285861, 1336070, 2372270, 2571722, 5456221, 6429305, 8777399, 10912442, 12858610, 17554798, 27281105, 43886995, 54562210, 87773990, 201880177, 403760354, 1009400885, 2018801770]

約数ペア:

[(1, 2018801770), (2, 1009400885), (5, 403760354), (10, 201880177), (23, 87773990), (37, 54562210), (46, 43886995), (74, 27281105), (115, 17554798), (157, 12858610), (185, 10912442), (230, 8777399), (314, 6429305), (370, 5456221), (785, 2571722), (851, 2372270), (1511, 1336070), (1570, 1285861), (1702, 1186135), (3022, 668035), (3611, 559070), (4255, 474454), (5809, 347530), (7222, 279535), (7555, 267214), (8510, 237227), (11618, 173765), (15110, 133607), (18055, 111814), (29045, 69506), (34753, 58090), (36110, 55907)]