18430538

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 32814720

約数和(自身を除く): 14384182

約数列:

[1, 2, 7, 14, 53, 59, 106, 118, 371, 413, 421, 742, 826, 842, 2947, 3127, 5894, 6254, 21889, 22313, 24839, 43778, 44626, 49678, 156191, 173873, 312382, 347746, 1316467, 2632934, 9215269, 18430538]

約数ペア:

[(1, 18430538), (2, 9215269), (7, 2632934), (14, 1316467), (53, 347746), (59, 312382), (106, 173873), (118, 156191), (371, 49678), (413, 44626), (421, 43778), (742, 24839), (826, 22313), (842, 21889), (2947, 6254), (3127, 5894)]