19395960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 43503240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 181, 188, 190, 228, 235, 282, 285, 362, 376, 380, 456, 470, 543, 564, 570, 705, 724, 760, 893, 905, 940, 1086, 1128, 1140, 1410, 1448, 1786, 1810, 1880, 2172, 2280, 2679, 2715, 2820, 3439, 3572, 3620, 4344, 4465, 5358, 5430, 5640, 6878, 7144, 7240, 8507, 8930, 10317, 10716, 10860, 13395, 13756, 17014, 17195, 17860, 20634, 21432, 21720, 25521, 26790, 27512, 34028, 34390, 35720, 41268, 42535, 51042, 51585, 53580, 68056, 68780, 82536, 85070, 102084, 103170, 107160, 127605, 137560, 161633, 170140, 204168, 206340, 255210, 323266, 340280, 412680, 484899, 510420, 646532, 808165, 969798, 1020840, 1293064, 1616330, 1939596, 2424495, 3232660, 3879192, 4848990, 6465320, 9697980, 19395960]

約数ペア:

[(1, 19395960), (2, 9697980), (3, 6465320), (4, 4848990), (5, 3879192), (6, 3232660), (8, 2424495), (10, 1939596), (12, 1616330), (15, 1293064), (19, 1020840), (20, 969798), (24, 808165), (30, 646532), (38, 510420), (40, 484899), (47, 412680), (57, 340280), (60, 323266), (76, 255210), (94, 206340), (95, 204168), (114, 170140), (120, 161633), (141, 137560), (152, 127605), (181, 107160), (188, 103170), (190, 102084), (228, 85070), (235, 82536), (282, 68780), (285, 68056), (362, 53580), (376, 51585), (380, 51042), (456, 42535), (470, 41268), (543, 35720), (564, 34390), (570, 34028), (705, 27512), (724, 26790), (760, 25521), (893, 21720), (905, 21432), (940, 20634), (1086, 17860), (1128, 17195), (1140, 17014), (1410, 13756), (1448, 13395), (1786, 10860), (1810, 10716), (1880, 10317), (2172, 8930), (2280, 8507), (2679, 7240), (2715, 7144), (2820, 6878), (3439, 5640), (3572, 5430), (3620, 5358), (4344, 4465)]