19892649

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 11605335

約数列:

[1, 3, 7, 21, 53, 61, 159, 183, 293, 371, 427, 879, 1113, 1281, 2051, 3233, 6153, 9699, 15529, 17873, 22631, 46587, 53619, 67893, 108703, 125111, 326109, 375333, 947269, 2841807, 6630883, 19892649]

約数ペア:

[(1, 19892649), (3, 6630883), (7, 2841807), (21, 947269), (53, 375333), (61, 326109), (159, 125111), (183, 108703), (293, 67893), (371, 53619), (427, 46587), (879, 22631), (1113, 17873), (1281, 15529), (2051, 9699), (3233, 6153)]