19847758

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 36205056

約数和(自身を除く): 16357298

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1163, 1219, 2326, 2438, 8141, 8533, 16282, 17066, 26749, 53498, 61639, 123278, 187243, 374486, 431473, 862946, 1417697, 2835394, 9923879, 19847758]

約数ペア:

[(1, 19847758), (2, 9923879), (7, 2835394), (14, 1417697), (23, 862946), (46, 431473), (53, 374486), (106, 187243), (161, 123278), (322, 61639), (371, 53498), (742, 26749), (1163, 17066), (1219, 16282), (2326, 8533), (2438, 8141)]