19494484920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{295909}}^1$

素因数の和:295990

約数の個数: 128

約数和(自身を含む): 66047112000

約数和(自身を除く): 46552627080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 5490, 6588, 7320, 8235, 10980, 13176, 16470, 21960, 32940, 65880, 295909, 591818, 887727, 1183636, 1479545, 1775454, 2367272, 2663181, 2959090, 3550908, 4438635, 5326362, 5918180, 7101816, 7989543, 8877270, 10652724, 11836360, 13315905, 15979086, 17754540, 18050449, 21305448, 26631810, 31958172, 35509080, 36100898, 39947715, 53263620, 54151347, 63916344, 72201796, 79895430, 90252245, 106527240, 108302694, 144403592, 159790860, 162454041, 180504490, 216605388, 270756735, 319581720, 324908082, 361008980, 433210776, 487362123, 541513470, 649816164, 722017960, 812270205, 974724246, 1083026940, 1299632328, 1624540410, 1949448492, 2166053880, 2436810615, 3249080820, 3898896984, 4873621230, 6498161640, 9747242460, 19494484920]

約数ペア:

[(1, 19494484920), (2, 9747242460), (3, 6498161640), (4, 4873621230), (5, 3898896984), (6, 3249080820), (8, 2436810615), (9, 2166053880), (10, 1949448492), (12, 1624540410), (15, 1299632328), (18, 1083026940), (20, 974724246), (24, 812270205), (27, 722017960), (30, 649816164), (36, 541513470), (40, 487362123), (45, 433210776), (54, 361008980), (60, 324908082), (61, 319581720), (72, 270756735), (90, 216605388), (108, 180504490), (120, 162454041), (122, 159790860), (135, 144403592), (180, 108302694), (183, 106527240), (216, 90252245), (244, 79895430), (270, 72201796), (305, 63916344), (360, 54151347), (366, 53263620), (488, 39947715), (540, 36100898), (549, 35509080), (610, 31958172), (732, 26631810), (915, 21305448), (1080, 18050449), (1098, 17754540), (1220, 15979086), (1464, 13315905), (1647, 11836360), (1830, 10652724), (2196, 8877270), (2440, 7989543), (2745, 7101816), (3294, 5918180), (3660, 5326362), (4392, 4438635), (5490, 3550908), (6588, 2959090), (7320, 2663181), (8235, 2367272), (10980, 1775454), (13176, 1479545), (16470, 1183636), (21960, 887727), (32940, 591818), (65880, 295909)]