19927215

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 112

約数和(自身を含む): 45328896

約数和(自身を除く): 25401681

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 71, 77, 81, 99, 105, 135, 165, 189, 213, 231, 243, 297, 315, 355, 385, 405, 495, 497, 567, 639, 693, 729, 781, 891, 945, 1065, 1155, 1215, 1485, 1491, 1701, 1917, 2079, 2343, 2485, 2673, 2835, 3195, 3465, 3645, 3905, 4455, 4473, 5103, 5467, 5751, 6237, 7029, 7455, 8019, 8505, 9585, 10395, 11715, 13365, 13419, 16401, 17253, 18711, 21087, 22365, 25515, 27335, 28755, 31185, 35145, 40095, 40257, 49203, 51759, 56133, 63261, 67095, 82005, 86265, 93555, 105435, 120771, 147609, 189783, 201285, 246015, 258795, 280665, 316305, 362313, 442827, 569349, 603855, 738045, 948915, 1328481, 1811565, 2214135, 2846745, 3985443, 6642405, 19927215]

約数ペア:

[(1, 19927215), (3, 6642405), (5, 3985443), (7, 2846745), (9, 2214135), (11, 1811565), (15, 1328481), (21, 948915), (27, 738045), (33, 603855), (35, 569349), (45, 442827), (55, 362313), (63, 316305), (71, 280665), (77, 258795), (81, 246015), (99, 201285), (105, 189783), (135, 147609), (165, 120771), (189, 105435), (213, 93555), (231, 86265), (243, 82005), (297, 67095), (315, 63261), (355, 56133), (385, 51759), (405, 49203), (495, 40257), (497, 40095), (567, 35145), (639, 31185), (693, 28755), (729, 27335), (781, 25515), (891, 22365), (945, 21087), (1065, 18711), (1155, 17253), (1215, 16401), (1485, 13419), (1491, 13365), (1701, 11715), (1917, 10395), (2079, 9585), (2343, 8505), (2485, 8019), (2673, 7455), (2835, 7029), (3195, 6237), (3465, 5751), (3645, 5467), (3905, 5103), (4455, 4473)]