19004940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5591

約数の個数: 72

約数和(自身を含む): 60693360

約数和(自身を除く): 41688420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5557, 11114, 16671, 22228, 27785, 33342, 50013, 55570, 66684, 83355, 100026, 105583, 111140, 166710, 200052, 211166, 250065, 316749, 333420, 422332, 500130, 527915, 633498, 950247, 1000260, 1055830, 1266996, 1583745, 1900494, 2111660, 3167490, 3800988, 4751235, 6334980, 9502470, 19004940]

約数ペア:

[(1, 19004940), (2, 9502470), (3, 6334980), (4, 4751235), (5, 3800988), (6, 3167490), (9, 2111660), (10, 1900494), (12, 1583745), (15, 1266996), (18, 1055830), (19, 1000260), (20, 950247), (30, 633498), (36, 527915), (38, 500130), (45, 422332), (57, 333420), (60, 316749), (76, 250065), (90, 211166), (95, 200052), (114, 166710), (171, 111140), (180, 105583), (190, 100026), (228, 83355), (285, 66684), (342, 55570), (380, 50013), (570, 33342), (684, 27785), (855, 22228), (1140, 16671), (1710, 11114), (3420, 5557)]