19496280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45822120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 503, 510, 570, 646, 680, 760, 969, 1006, 1020, 1140, 1292, 1509, 1615, 1938, 2012, 2040, 2280, 2515, 2584, 3018, 3230, 3876, 4024, 4845, 5030, 6036, 6460, 7545, 7752, 8551, 9557, 9690, 10060, 12072, 12920, 15090, 17102, 19114, 19380, 20120, 25653, 28671, 30180, 34204, 38228, 38760, 42755, 47785, 51306, 57342, 60360, 68408, 76456, 85510, 95570, 102612, 114684, 128265, 143355, 162469, 171020, 191140, 205224, 229368, 256530, 286710, 324938, 342040, 382280, 487407, 513060, 573420, 649876, 812345, 974814, 1026120, 1146840, 1299752, 1624690, 1949628, 2437035, 3249380, 3899256, 4874070, 6498760, 9748140, 19496280]

約数ペア:

[(1, 19496280), (2, 9748140), (3, 6498760), (4, 4874070), (5, 3899256), (6, 3249380), (8, 2437035), (10, 1949628), (12, 1624690), (15, 1299752), (17, 1146840), (19, 1026120), (20, 974814), (24, 812345), (30, 649876), (34, 573420), (38, 513060), (40, 487407), (51, 382280), (57, 342040), (60, 324938), (68, 286710), (76, 256530), (85, 229368), (95, 205224), (102, 191140), (114, 171020), (120, 162469), (136, 143355), (152, 128265), (170, 114684), (190, 102612), (204, 95570), (228, 85510), (255, 76456), (285, 68408), (323, 60360), (340, 57342), (380, 51306), (408, 47785), (456, 42755), (503, 38760), (510, 38228), (570, 34204), (646, 30180), (680, 28671), (760, 25653), (969, 20120), (1006, 19380), (1020, 19114), (1140, 17102), (1292, 15090), (1509, 12920), (1615, 12072), (1938, 10060), (2012, 9690), (2040, 9557), (2280, 8551), (2515, 7752), (2584, 7545), (3018, 6460), (3230, 6036), (3876, 5030), (4024, 4845)]