19835430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 36151770

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 23, 30, 34, 38, 46, 51, 57, 69, 85, 89, 95, 102, 114, 115, 138, 170, 178, 190, 230, 255, 267, 285, 323, 345, 391, 437, 445, 510, 534, 570, 646, 690, 782, 874, 890, 969, 1173, 1311, 1335, 1513, 1615, 1691, 1938, 1955, 2047, 2185, 2346, 2622, 2670, 3026, 3230, 3382, 3910, 4094, 4370, 4539, 4845, 5073, 5865, 6141, 6555, 7429, 7565, 8455, 9078, 9690, 10146, 10235, 11730, 12282, 13110, 14858, 15130, 16910, 20470, 22287, 22695, 25365, 28747, 30705, 34799, 37145, 38893, 44574, 45390, 50730, 57494, 61410, 69598, 74290, 77786, 86241, 104397, 111435, 116679, 143735, 172482, 173995, 194465, 208794, 222870, 233358, 287470, 347990, 388930, 431205, 521985, 583395, 661181, 862410, 1043970, 1166790, 1322362, 1983543, 3305905, 3967086, 6611810, 9917715, 19835430]

約数ペア:

[(1, 19835430), (2, 9917715), (3, 6611810), (5, 3967086), (6, 3305905), (10, 1983543), (15, 1322362), (17, 1166790), (19, 1043970), (23, 862410), (30, 661181), (34, 583395), (38, 521985), (46, 431205), (51, 388930), (57, 347990), (69, 287470), (85, 233358), (89, 222870), (95, 208794), (102, 194465), (114, 173995), (115, 172482), (138, 143735), (170, 116679), (178, 111435), (190, 104397), (230, 86241), (255, 77786), (267, 74290), (285, 69598), (323, 61410), (345, 57494), (391, 50730), (437, 45390), (445, 44574), (510, 38893), (534, 37145), (570, 34799), (646, 30705), (690, 28747), (782, 25365), (874, 22695), (890, 22287), (969, 20470), (1173, 16910), (1311, 15130), (1335, 14858), (1513, 13110), (1615, 12282), (1691, 11730), (1938, 10235), (1955, 10146), (2047, 9690), (2185, 9078), (2346, 8455), (2622, 7565), (2670, 7429), (3026, 6555), (3230, 6141), (3382, 5865), (3910, 5073), (4094, 4845), (4370, 4539)]