19189430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 41549760

約数和(自身を除く): 22360330

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 457, 494, 646, 914, 1105, 1235, 1615, 2210, 2285, 2470, 3230, 4199, 4570, 5941, 7769, 8398, 8683, 11882, 15538, 17366, 20995, 29705, 38845, 41990, 43415, 59410, 77690, 86830, 100997, 112879, 147611, 201994, 225758, 295222, 504985, 564395, 738055, 1009970, 1128790, 1476110, 1918943, 3837886, 9594715, 19189430]

約数ペア:

[(1, 19189430), (2, 9594715), (5, 3837886), (10, 1918943), (13, 1476110), (17, 1128790), (19, 1009970), (26, 738055), (34, 564395), (38, 504985), (65, 295222), (85, 225758), (95, 201994), (130, 147611), (170, 112879), (190, 100997), (221, 86830), (247, 77690), (323, 59410), (442, 43415), (457, 41990), (494, 38845), (646, 29705), (914, 20995), (1105, 17366), (1235, 15538), (1615, 11882), (2210, 8683), (2285, 8398), (2470, 7769), (3230, 5941), (4199, 4570)]