16237780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 38980872

約数和(自身を除く): 22743092

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 173, 190, 247, 260, 346, 361, 380, 494, 692, 722, 865, 988, 1235, 1444, 1730, 1805, 2249, 2470, 3287, 3460, 3610, 4498, 4693, 4940, 6574, 7220, 8996, 9386, 11245, 13148, 16435, 18772, 22490, 23465, 32870, 42731, 44980, 46930, 62453, 65740, 85462, 93860, 124906, 170924, 213655, 249812, 312265, 427310, 624530, 811889, 854620, 1249060, 1623778, 3247556, 4059445, 8118890, 16237780]

約数ペア:

[(1, 16237780), (2, 8118890), (4, 4059445), (5, 3247556), (10, 1623778), (13, 1249060), (19, 854620), (20, 811889), (26, 624530), (38, 427310), (52, 312265), (65, 249812), (76, 213655), (95, 170924), (130, 124906), (173, 93860), (190, 85462), (247, 65740), (260, 62453), (346, 46930), (361, 44980), (380, 42731), (494, 32870), (692, 23465), (722, 22490), (865, 18772), (988, 16435), (1235, 13148), (1444, 11245), (1730, 9386), (1805, 8996), (2249, 7220), (2470, 6574), (3287, 4940), (3460, 4693), (3610, 4498)]