19898130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5023

約数の個数: 64

約数和(自身を含む): 57461760

約数和(自身を除く): 37563630

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, 4987, 9974, 14961, 24935, 29922, 34909, 49870, 69818, 74805, 94753, 104727, 149610, 174545, 189506, 209454, 284259, 349090, 473765, 523635, 568518, 663271, 947530, 1047270, 1326542, 1421295, 1989813, 2842590, 3316355, 3979626, 6632710, 9949065, 19898130]

約数ペア:

[(1, 19898130), (2, 9949065), (3, 6632710), (5, 3979626), (6, 3316355), (7, 2842590), (10, 1989813), (14, 1421295), (15, 1326542), (19, 1047270), (21, 947530), (30, 663271), (35, 568518), (38, 523635), (42, 473765), (57, 349090), (70, 284259), (95, 209454), (105, 189506), (114, 174545), (133, 149610), (190, 104727), (210, 94753), (266, 74805), (285, 69818), (399, 49870), (570, 34909), (665, 29922), (798, 24935), (1330, 14961), (1995, 9974), (3990, 4987)]