19187415

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^2$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 38254320

約数和(自身を除く): 19066905

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 117, 135, 145, 169, 195, 261, 351, 377, 435, 507, 585, 783, 841, 845, 1131, 1305, 1521, 1755, 1885, 2523, 2535, 3393, 3915, 4205, 4563, 4901, 5655, 7569, 7605, 10179, 10933, 12615, 14703, 16965, 22707, 22815, 24505, 32799, 37845, 44109, 50895, 54665, 73515, 98397, 113535, 132327, 142129, 163995, 220545, 295191, 426387, 491985, 661635, 710645, 1279161, 1475955, 2131935, 3837483, 6395805, 19187415]

約数ペア:

[(1, 19187415), (3, 6395805), (5, 3837483), (9, 2131935), (13, 1475955), (15, 1279161), (27, 710645), (29, 661635), (39, 491985), (45, 426387), (65, 295191), (87, 220545), (117, 163995), (135, 142129), (145, 132327), (169, 113535), (195, 98397), (261, 73515), (351, 54665), (377, 50895), (435, 44109), (507, 37845), (585, 32799), (783, 24505), (841, 22815), (845, 22707), (1131, 16965), (1305, 14703), (1521, 12615), (1755, 10933), (1885, 10179), (2523, 7605), (2535, 7569), (3393, 5655), (3915, 4901), (4205, 4563)]