2018976908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 3845849280

約数和(自身を除く): 1826872372

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 389, 604, 661, 778, 1322, 1556, 1963, 2644, 3926, 5057, 7852, 8593, 10114, 17186, 20228, 34372, 58739, 99811, 117478, 199622, 234956, 257129, 399244, 514258, 763607, 1028516, 1297543, 1527214, 2595086, 3054428, 3342677, 5190172, 6685354, 13370708, 38826479, 77652958, 155305916, 504744227, 1009488454, 2018976908]

約数ペア:

[(1, 2018976908), (2, 1009488454), (4, 504744227), (13, 155305916), (26, 77652958), (52, 38826479), (151, 13370708), (302, 6685354), (389, 5190172), (604, 3342677), (661, 3054428), (778, 2595086), (1322, 1527214), (1556, 1297543), (1963, 1028516), (2644, 763607), (3926, 514258), (5057, 399244), (7852, 257129), (8593, 234956), (10114, 199622), (17186, 117478), (20228, 99811), (34372, 58739)]