19281405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 17732355

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 89, 101, 143, 165, 195, 267, 303, 429, 445, 505, 715, 979, 1111, 1157, 1313, 1335, 1515, 2145, 2937, 3333, 3471, 3939, 4895, 5555, 5785, 6565, 8989, 12727, 14443, 14685, 16665, 17355, 19695, 26967, 38181, 43329, 44945, 63635, 72215, 98879, 116857, 134835, 190905, 216645, 296637, 350571, 494395, 584285, 1285427, 1483185, 1752855, 3856281, 6427135, 19281405]

約数ペア:

[(1, 19281405), (3, 6427135), (5, 3856281), (11, 1752855), (13, 1483185), (15, 1285427), (33, 584285), (39, 494395), (55, 350571), (65, 296637), (89, 216645), (101, 190905), (143, 134835), (165, 116857), (195, 98879), (267, 72215), (303, 63635), (429, 44945), (445, 43329), (505, 38181), (715, 26967), (979, 19695), (1111, 17355), (1157, 16665), (1313, 14685), (1335, 14443), (1515, 12727), (2145, 8989), (2937, 6565), (3333, 5785), (3471, 5555), (3939, 4895)]