19748190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 60383232

約数和(自身を除く): 40635042

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 83, 103, 105, 110, 154, 165, 166, 206, 210, 231, 249, 309, 330, 385, 415, 462, 498, 515, 581, 618, 721, 770, 830, 913, 1030, 1133, 1155, 1162, 1245, 1442, 1545, 1743, 1826, 2163, 2266, 2310, 2490, 2739, 2905, 3090, 3399, 3486, 3605, 4326, 4565, 5478, 5665, 5810, 6391, 6798, 7210, 7931, 8549, 8715, 9130, 10815, 11330, 12782, 13695, 15862, 16995, 17098, 17430, 19173, 21630, 23793, 25647, 27390, 31955, 33990, 38346, 39655, 42745, 47586, 51294, 59843, 63910, 79310, 85490, 94039, 95865, 118965, 119686, 128235, 179529, 188078, 191730, 237930, 256470, 282117, 299215, 359058, 470195, 564234, 598430, 658273, 897645, 940390, 1316546, 1410585, 1795290, 1974819, 2821170, 3291365, 3949638, 6582730, 9874095, 19748190]

約数ペア:

[(1, 19748190), (2, 9874095), (3, 6582730), (5, 3949638), (6, 3291365), (7, 2821170), (10, 1974819), (11, 1795290), (14, 1410585), (15, 1316546), (21, 940390), (22, 897645), (30, 658273), (33, 598430), (35, 564234), (42, 470195), (55, 359058), (66, 299215), (70, 282117), (77, 256470), (83, 237930), (103, 191730), (105, 188078), (110, 179529), (154, 128235), (165, 119686), (166, 118965), (206, 95865), (210, 94039), (231, 85490), (249, 79310), (309, 63910), (330, 59843), (385, 51294), (415, 47586), (462, 42745), (498, 39655), (515, 38346), (581, 33990), (618, 31955), (721, 27390), (770, 25647), (830, 23793), (913, 21630), (1030, 19173), (1133, 17430), (1155, 17098), (1162, 16995), (1245, 15862), (1442, 13695), (1545, 12782), (1743, 11330), (1826, 10815), (2163, 9130), (2266, 8715), (2310, 8549), (2490, 7931), (2739, 7210), (2905, 6798), (3090, 6391), (3399, 5810), (3486, 5665), (3605, 5478), (4326, 4565)]