18804519860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{65617}}^1$

素因数の和:65745

約数の個数: 96

約数和(自身を含む): 47622919680

約数和(自身を除く): 28818399820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 322, 356, 445, 460, 623, 644, 805, 890, 1246, 1610, 1780, 2047, 2492, 3115, 3220, 4094, 6230, 8188, 10235, 12460, 14329, 20470, 28658, 40940, 57316, 65617, 71645, 131234, 143290, 262468, 286580, 328085, 459319, 656170, 918638, 1312340, 1509191, 1837276, 2296595, 3018382, 4593190, 5839913, 6036764, 7545955, 9186380, 10564337, 11679826, 15091910, 21128674, 23359652, 29199565, 30183820, 40879391, 42257348, 52821685, 58399130, 81758782, 105643370, 116798260, 134317999, 163517564, 204396955, 211286740, 268635998, 408793910, 537271996, 671589995, 817587820, 940225993, 1343179990, 1880451986, 2686359980, 3760903972, 4701129965, 9402259930, 18804519860]

約数ペア:

[(1, 18804519860), (2, 9402259930), (4, 4701129965), (5, 3760903972), (7, 2686359980), (10, 1880451986), (14, 1343179990), (20, 940225993), (23, 817587820), (28, 671589995), (35, 537271996), (46, 408793910), (70, 268635998), (89, 211286740), (92, 204396955), (115, 163517564), (140, 134317999), (161, 116798260), (178, 105643370), (230, 81758782), (322, 58399130), (356, 52821685), (445, 42257348), (460, 40879391), (623, 30183820), (644, 29199565), (805, 23359652), (890, 21128674), (1246, 15091910), (1610, 11679826), (1780, 10564337), (2047, 9186380), (2492, 7545955), (3115, 6036764), (3220, 5839913), (4094, 4593190), (6230, 3018382), (8188, 2296595), (10235, 1837276), (12460, 1509191), (14329, 1312340), (20470, 918638), (28658, 656170), (40940, 459319), (57316, 328085), (65617, 286580), (71645, 262468), (131234, 143290)]