18988961823

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{55411}}^1$

素因数の和:55560

約数の個数: 48

約数和(自身を含む): 30860051040

約数和(自身を除く): 11871089217

約数列:

[1, 3, 9, 13, 29, 39, 87, 101, 117, 261, 303, 377, 909, 1131, 1313, 2929, 3393, 3939, 8787, 11817, 26361, 38077, 55411, 114231, 166233, 342693, 498699, 720343, 1606919, 2161029, 4820757, 5596511, 6483087, 14462271, 16789533, 20889947, 50368599, 62669841, 72754643, 162298819, 188009523, 218263929, 486896457, 654791787, 1460689371, 2109884647, 6329653941, 18988961823]

約数ペア:

[(1, 18988961823), (3, 6329653941), (9, 2109884647), (13, 1460689371), (29, 654791787), (39, 486896457), (87, 218263929), (101, 188009523), (117, 162298819), (261, 72754643), (303, 62669841), (377, 50368599), (909, 20889947), (1131, 16789533), (1313, 14462271), (2929, 6483087), (3393, 5596511), (3939, 4820757), (8787, 2161029), (11817, 1606919), (26361, 720343), (38077, 498699), (55411, 342693), (114231, 166233)]