19975410

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:310

約数の個数: 160

約数和(自身を含む): 66350592

約数和(自身を除く): 46375182

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 81, 90, 91, 105, 117, 126, 130, 135, 162, 182, 189, 195, 210, 234, 270, 271, 273, 315, 351, 378, 390, 405, 455, 542, 546, 567, 585, 630, 702, 810, 813, 819, 910, 945, 1053, 1134, 1170, 1355, 1365, 1626, 1638, 1755, 1890, 1897, 2106, 2439, 2457, 2710, 2730, 2835, 3510, 3523, 3794, 4065, 4095, 4878, 4914, 5265, 5670, 5691, 7046, 7317, 7371, 8130, 8190, 9485, 10530, 10569, 11382, 12195, 12285, 14634, 14742, 17073, 17615, 18970, 21138, 21951, 24390, 24570, 24661, 28455, 31707, 34146, 35230, 36585, 36855, 43902, 49322, 51219, 52845, 56910, 63414, 73170, 73710, 73983, 85365, 95121, 102438, 105690, 109755, 123305, 147966, 153657, 158535, 170730, 190242, 219510, 221949, 246610, 256095, 285363, 307314, 317070, 369915, 443898, 475605, 512190, 570726, 665847, 739830, 768285, 951210, 1109745, 1331694, 1426815, 1536570, 1997541, 2219490, 2853630, 3329235, 3995082, 6658470, 9987705, 19975410]

約数ペア:

[(1, 19975410), (2, 9987705), (3, 6658470), (5, 3995082), (6, 3329235), (7, 2853630), (9, 2219490), (10, 1997541), (13, 1536570), (14, 1426815), (15, 1331694), (18, 1109745), (21, 951210), (26, 768285), (27, 739830), (30, 665847), (35, 570726), (39, 512190), (42, 475605), (45, 443898), (54, 369915), (63, 317070), (65, 307314), (70, 285363), (78, 256095), (81, 246610), (90, 221949), (91, 219510), (105, 190242), (117, 170730), (126, 158535), (130, 153657), (135, 147966), (162, 123305), (182, 109755), (189, 105690), (195, 102438), (210, 95121), (234, 85365), (270, 73983), (271, 73710), (273, 73170), (315, 63414), (351, 56910), (378, 52845), (390, 51219), (405, 49322), (455, 43902), (542, 36855), (546, 36585), (567, 35230), (585, 34146), (630, 31707), (702, 28455), (810, 24661), (813, 24570), (819, 24390), (910, 21951), (945, 21138), (1053, 18970), (1134, 17615), (1170, 17073), (1355, 14742), (1365, 14634), (1626, 12285), (1638, 12195), (1755, 11382), (1890, 10569), (1897, 10530), (2106, 9485), (2439, 8190), (2457, 8130), (2710, 7371), (2730, 7317), (2835, 7046), (3510, 5691), (3523, 5670), (3794, 5265), (4065, 4914), (4095, 4878)]