19971919552

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{44371}}^1$

素因数の和:44937

約数の個数: 56

約数和(自身を含む): 42760231472

約数和(自身を除く): 22788311920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 541, 832, 1082, 2164, 4328, 7033, 8656, 14066, 17312, 28132, 34624, 44371, 56264, 88742, 112528, 177484, 225056, 354968, 450112, 576823, 709936, 1153646, 1419872, 2307292, 2839744, 4614584, 9229168, 18458336, 24004711, 36916672, 48009422, 96018844, 192037688, 312061243, 384075376, 624122486, 768150752, 1248244972, 1536301504, 2496489944, 4992979888, 9985959776, 19971919552]

約数ペア:

[(1, 19971919552), (2, 9985959776), (4, 4992979888), (8, 2496489944), (13, 1536301504), (16, 1248244972), (26, 768150752), (32, 624122486), (52, 384075376), (64, 312061243), (104, 192037688), (208, 96018844), (416, 48009422), (541, 36916672), (832, 24004711), (1082, 18458336), (2164, 9229168), (4328, 4614584), (7033, 2839744), (8656, 2307292), (14066, 1419872), (17312, 1153646), (28132, 709936), (34624, 576823), (44371, 450112), (56264, 354968), (88742, 225056), (112528, 177484)]