19540481844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4040629}}^1$

素因数の和:4040680

約数の個数: 48

約数和(自身を含む): 50685662720

約数和(自身を除く): 31145180876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 4040629, 8081258, 12121887, 16162516, 24243774, 48487548, 52528177, 105056354, 125259499, 157584531, 210112708, 250518998, 315169062, 375778497, 501037996, 630338124, 751556994, 1503113988, 1628373487, 3256746974, 4885120461, 6513493948, 9770240922, 19540481844]

約数ペア:

[(1, 19540481844), (2, 9770240922), (3, 6513493948), (4, 4885120461), (6, 3256746974), (12, 1628373487), (13, 1503113988), (26, 751556994), (31, 630338124), (39, 501037996), (52, 375778497), (62, 315169062), (78, 250518998), (93, 210112708), (124, 157584531), (156, 125259499), (186, 105056354), (372, 52528177), (403, 48487548), (806, 24243774), (1209, 16162516), (1612, 12121887), (2418, 8081258), (4836, 4040629)]