16719690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 44263296

約数和(自身を除く): 27543606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 997, 1118, 1290, 1677, 1994, 2795, 2991, 3354, 4985, 5590, 5982, 8385, 9970, 12961, 14955, 16770, 25922, 29910, 38883, 42871, 64805, 77766, 85742, 128613, 129610, 194415, 214355, 257226, 388830, 428710, 557323, 643065, 1114646, 1286130, 1671969, 2786615, 3343938, 5573230, 8359845, 16719690]

約数ペア:

[(1, 16719690), (2, 8359845), (3, 5573230), (5, 3343938), (6, 2786615), (10, 1671969), (13, 1286130), (15, 1114646), (26, 643065), (30, 557323), (39, 428710), (43, 388830), (65, 257226), (78, 214355), (86, 194415), (129, 129610), (130, 128613), (195, 85742), (215, 77766), (258, 64805), (390, 42871), (430, 38883), (559, 29910), (645, 25922), (997, 16770), (1118, 14955), (1290, 12961), (1677, 9970), (1994, 8385), (2795, 5982), (2991, 5590), (3354, 4985)]