19019850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 50889600

約数和(自身を除く): 31869750

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 37, 46, 50, 69, 74, 75, 111, 115, 138, 149, 150, 185, 222, 230, 298, 345, 370, 447, 555, 575, 690, 745, 851, 894, 925, 1110, 1150, 1490, 1702, 1725, 1850, 2235, 2553, 2775, 3427, 3450, 3725, 4255, 4470, 5106, 5513, 5550, 6854, 7450, 8510, 10281, 11026, 11175, 12765, 16539, 17135, 20562, 21275, 22350, 25530, 27565, 33078, 34270, 42550, 51405, 55130, 63825, 82695, 85675, 102810, 126799, 127650, 137825, 165390, 171350, 253598, 257025, 275650, 380397, 413475, 514050, 633995, 760794, 826950, 1267990, 1901985, 3169975, 3803970, 6339950, 9509925, 19019850]

約数ペア:

[(1, 19019850), (2, 9509925), (3, 6339950), (5, 3803970), (6, 3169975), (10, 1901985), (15, 1267990), (23, 826950), (25, 760794), (30, 633995), (37, 514050), (46, 413475), (50, 380397), (69, 275650), (74, 257025), (75, 253598), (111, 171350), (115, 165390), (138, 137825), (149, 127650), (150, 126799), (185, 102810), (222, 85675), (230, 82695), (298, 63825), (345, 55130), (370, 51405), (447, 42550), (555, 34270), (575, 33078), (690, 27565), (745, 25530), (851, 22350), (894, 21275), (925, 20562), (1110, 17135), (1150, 16539), (1490, 12765), (1702, 11175), (1725, 11026), (1850, 10281), (2235, 8510), (2553, 7450), (2775, 6854), (3427, 5550), (3450, 5513), (3725, 5106), (4255, 4470)]