19613496784

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1549739}}^1$

素因数の和:1549867

約数の個数: 40

約数和(自身を含む): 43814249280

約数和(自身を除く): 24200752496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 12656, 1549739, 3099478, 6198956, 10848173, 12397912, 21696346, 24795824, 43392692, 86785384, 173570768, 175120507, 350241014, 700482028, 1225843549, 1400964056, 2451687098, 2801928112, 4903374196, 9806748392, 19613496784]

約数ペア:

[(1, 19613496784), (2, 9806748392), (4, 4903374196), (7, 2801928112), (8, 2451687098), (14, 1400964056), (16, 1225843549), (28, 700482028), (56, 350241014), (112, 175120507), (113, 173570768), (226, 86785384), (452, 43392692), (791, 24795824), (904, 21696346), (1582, 12397912), (1808, 10848173), (3164, 6198956), (6328, 3099478), (12656, 1549739)]