19895358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{739}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 45607680

約数和(自身を除く): 25712322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 641, 739, 1282, 1478, 1923, 2217, 3846, 4434, 4487, 5173, 8974, 10346, 13461, 15519, 26922, 31038, 473699, 947398, 1421097, 2842194, 3315893, 6631786, 9947679, 19895358]

約数ペア:

[(1, 19895358), (2, 9947679), (3, 6631786), (6, 3315893), (7, 2842194), (14, 1421097), (21, 947398), (42, 473699), (641, 31038), (739, 26922), (1282, 15519), (1478, 13461), (1923, 10346), (2217, 8974), (3846, 5173), (4434, 4487)]