18836790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4757

約数の個数: 64

約数和(自身を含む): 54397440

約数和(自身を除く): 35560650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4721, 9442, 14163, 23605, 28326, 33047, 47210, 66094, 70815, 89699, 99141, 141630, 165235, 179398, 198282, 269097, 330470, 448495, 495705, 538194, 627893, 896990, 991410, 1255786, 1345485, 1883679, 2690970, 3139465, 3767358, 6278930, 9418395, 18836790]

約数ペア:

[(1, 18836790), (2, 9418395), (3, 6278930), (5, 3767358), (6, 3139465), (7, 2690970), (10, 1883679), (14, 1345485), (15, 1255786), (19, 991410), (21, 896990), (30, 627893), (35, 538194), (38, 495705), (42, 448495), (57, 330470), (70, 269097), (95, 198282), (105, 179398), (114, 165235), (133, 141630), (190, 99141), (210, 89699), (266, 70815), (285, 66094), (399, 47210), (570, 33047), (665, 28326), (798, 23605), (1330, 14163), (1995, 9442), (3990, 4721)]