18959910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 52531200

約数和(自身を除く): 33571290

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 31, 37, 38, 57, 58, 62, 74, 87, 93, 95, 111, 114, 145, 155, 174, 185, 186, 190, 222, 285, 290, 310, 370, 435, 465, 551, 555, 570, 589, 703, 870, 899, 930, 1073, 1102, 1110, 1147, 1178, 1406, 1653, 1767, 1798, 2109, 2146, 2294, 2697, 2755, 2945, 3219, 3306, 3441, 3515, 3534, 4218, 4495, 5365, 5394, 5510, 5735, 5890, 6438, 6882, 7030, 8265, 8835, 8990, 10545, 10730, 11470, 13485, 16095, 16530, 17081, 17205, 17670, 20387, 21090, 21793, 26970, 32190, 33263, 34162, 34410, 40774, 43586, 51243, 61161, 65379, 66526, 85405, 99789, 101935, 102486, 108965, 122322, 130758, 166315, 170810, 199578, 203870, 217930, 256215, 305805, 326895, 332630, 498945, 512430, 611610, 631997, 653790, 997890, 1263994, 1895991, 3159985, 3791982, 6319970, 9479955, 18959910]

約数ペア:

[(1, 18959910), (2, 9479955), (3, 6319970), (5, 3791982), (6, 3159985), (10, 1895991), (15, 1263994), (19, 997890), (29, 653790), (30, 631997), (31, 611610), (37, 512430), (38, 498945), (57, 332630), (58, 326895), (62, 305805), (74, 256215), (87, 217930), (93, 203870), (95, 199578), (111, 170810), (114, 166315), (145, 130758), (155, 122322), (174, 108965), (185, 102486), (186, 101935), (190, 99789), (222, 85405), (285, 66526), (290, 65379), (310, 61161), (370, 51243), (435, 43586), (465, 40774), (551, 34410), (555, 34162), (570, 33263), (589, 32190), (703, 26970), (870, 21793), (899, 21090), (930, 20387), (1073, 17670), (1102, 17205), (1110, 17081), (1147, 16530), (1178, 16095), (1406, 13485), (1653, 11470), (1767, 10730), (1798, 10545), (2109, 8990), (2146, 8835), (2294, 8265), (2697, 7030), (2755, 6882), (2945, 6438), (3219, 5890), (3306, 5735), (3441, 5510), (3515, 5394), (3534, 5365), (4218, 4495)]