19005352455

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{479}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 31346565120

約数和(自身を除く): 12341212665

約数列:

[1, 3, 5, 15, 61, 103, 183, 305, 309, 421, 479, 515, 915, 1263, 1437, 1545, 2105, 2395, 6283, 6315, 7185, 18849, 25681, 29219, 31415, 43363, 49337, 77043, 87657, 94245, 128405, 130089, 146095, 148011, 201659, 216815, 246685, 385215, 438285, 604977, 650445, 740055, 1008295, 2645143, 3009557, 3024885, 7935429, 9028671, 12301199, 13225715, 15047785, 20770877, 36903597, 39677145, 45143355, 61505995, 62312631, 103854385, 184517985, 311563155, 1267023497, 3801070491, 6335117485, 19005352455]

約数ペア:

[(1, 19005352455), (3, 6335117485), (5, 3801070491), (15, 1267023497), (61, 311563155), (103, 184517985), (183, 103854385), (305, 62312631), (309, 61505995), (421, 45143355), (479, 39677145), (515, 36903597), (915, 20770877), (1263, 15047785), (1437, 13225715), (1545, 12301199), (2105, 9028671), (2395, 7935429), (6283, 3024885), (6315, 3009557), (7185, 2645143), (18849, 1008295), (25681, 740055), (29219, 650445), (31415, 604977), (43363, 438285), (49337, 385215), (77043, 246685), (87657, 216815), (94245, 201659), (128405, 148011), (130089, 146095)]