21952501580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5843}}^1\times {\mathrm{9887}}^1$

素因数の和:15758

約数の個数: 48

約数和(自身を含む): 48539796480

約数和(自身を除く): 26587294900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5843, 9887, 11686, 19774, 23372, 29215, 39548, 49435, 58430, 98870, 111017, 116860, 187853, 197740, 222034, 375706, 444068, 555085, 751412, 939265, 1110170, 1878530, 2220340, 3757060, 57769741, 115539482, 231078964, 288848705, 577697410, 1097625079, 1155394820, 2195250158, 4390500316, 5488125395, 10976250790, 21952501580]

約数ペア:

[(1, 21952501580), (2, 10976250790), (4, 5488125395), (5, 4390500316), (10, 2195250158), (19, 1155394820), (20, 1097625079), (38, 577697410), (76, 288848705), (95, 231078964), (190, 115539482), (380, 57769741), (5843, 3757060), (9887, 2220340), (11686, 1878530), (19774, 1110170), (23372, 939265), (29215, 751412), (39548, 555085), (49435, 444068), (58430, 375706), (98870, 222034), (111017, 197740), (116860, 187853)]